Index of terms — HTML5: Edition for Web Authors

abbr: ..., align, axis, height, and width IDL attributes of the td and th elements must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

abort: 4.8.10.15 Event summary

ABORT_ERR: 2.6.7 Exceptions

about:legacy-compat: 2.5.1 Terminology; 8.1.1 The DOCTYPE

about:srcdoc: 2.5.1 Terminology

absolute URL: 2.5.2 Resolving URLs (2) (3); 3.1 Documents (2); 4.10.7.1.4 URL state (2); 4.11.5 Commands; 4.12.3.17 Other link types

accept: ..., alt, max, min, multiple, pattern, placeholder, required, size, src, and step IDL attributes must reflect the respective content attributes of the same name. The dirName IDL attribute must reflect the dirname content attribute. The readOnly IDL attribute must reflect the readonly content attribute. The defaultChecked IDL attribute must reflect the checked content attribute. The defaultValue IDL attribute must reflect the value content attribute.; 4.10.7 The input element (2)

accept-charset: 4.10.3 The form element (2) (3); Elements; Attributes

acceptCharset: 4.10.3 The form element (2)

accesskey: 3.2.3 Global attributes; 4.11.5 Commands; 7.4.1 Introduction (2) (3); 7.4.2 The accesskey attribute (2) (3) (4); Attributes

accessKey: ... IDL attribute must reflect the ... content attribute.; 3.2.2 Elements in the DOM; 7.4.2 The accesskey attribute

acronym: 10.2 Non-conforming features

action: ... and formaction content attributes, if specified, must have a value that is a valid non-empty URL potentially surrounded by spaces.; 4.10.1.3 Configuring a form to communicate with a server; 4.10.3 The form element (2); 4.10.19.5 Form submission (2) (3); Elements; Attributes

action: ... of an element is the value of the element's formaction attribute, if the element is a submit button and has such an attribute, or the value of its form owner's ... attribute, if it has one, or else the empty string.; 4.10.19.5 Form submission; 4.10.22 Form submission

action: ... IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.3 The form element; 4.10.19.5 Form submission

active document: 3.1 Documents; 4.8.1 The img element; 4.8.2 The iframe element; 4.8.4 The object element; 5.1 Browsing contexts (2) (3); 5.1.1 Nested browsing contexts (2); 5.2 The Window object (2); 5.4.1 The session history of browsing contexts; 5.6.3 Application cache API

active flag: 4.8.10.12.1 Text track model (2)

address: 3.2.5.1.2 Flow content; 3.2.7 WAI-ARIA; 4.4 Sections; 4.4.4 The article element; 4.4.9 The footer element; 4.4.10 The address element (2) (3) (4) (5) (6) (7); 8.1.2.4 Optional tags; Elements (2); Element content categories (2); Interfaces

align: ... on caption elements; 10.2 Non-conforming features

align: ... on col elements; 10.2 Non-conforming features

align: ... on div elements; 10.2 Non-conforming features

align: ... on embed elements; 4.8.3 The embed element; 10.2 Non-conforming features

align: ... on hr elements; 10.2 Non-conforming features

align: ... on h1—h6 elements; 10.2 Non-conforming features

align: ... on iframe elements; 10.2 Non-conforming features

align: ... on input elements; 10.2 Non-conforming features

align: ... on img elements; 10.2 Non-conforming features

align: ... on legend elements; 10.2 Non-conforming features

align: ... on object elements; 10.2 Non-conforming features

align: ... on p elements; 10.2 Non-conforming features

align: ... on table elements; 10.2 Non-conforming features

align: ... on tbody, thead, and tfoot elements; 10.2 Non-conforming features

align: ... on td and th elements; 10.2 Non-conforming features

align: ... on tr elements; 10.2 Non-conforming features

align: ..., alt, archive, code, height, hspace, name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

align: ... IDL attribute of the caption element must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: ... and width IDL attributes of the col element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the div element must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: *** name and ... IDL attributes of the embed element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the h1–h6 elements must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: ..., color, size, and width IDL attributes of the hr element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... and scrolling IDL attributes of the iframe element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: *** name, ..., border, hspace, and vspace IDL attributes of the img element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the input element must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the legend element must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: ..., archive, border, code, declare, hspace, standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the p element must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: ..., frame, summary, rules, and width, IDL attributes of the table element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the tbody, thead, and tfoot elements must reflect the content attribute of the same name.; 10.2 Non-conforming features

align: *** abbr, ..., axis, height, and width IDL attributes of the td and th elements must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

align: ... IDL attribute of the tr element must reflect the content attribute of the same name.; 10.2 Non-conforming features

alink: ... on body elements; 10.2 Non-conforming features (2)

aLink: ... IDL attribute of the body element must reflect the element's ... content attribute.; 10.2 Non-conforming features

allowtransparency: 10.2 Non-conforming features

alt: *** src attribute is the embedded content; the value of the ... attribute provides equivalent content for those who cannot process images or who have image loading disabled.; 3.2.7 WAI-ARIA (2) (3); 4.8.1 The img element (2) (3) (4); 4.8.1.1.1 General guidelines (2) (3) (4); 4.8.1.1.2 A link or button containing nothing but the image; 4.8.1.1.3 A phrase or paragraph with an alternative graphical representation: charts, diagrams, graphs, maps, illustrations (2); 4.8.1.1.4 A short phrase or label with an alternative graphical representation: icons, logos (2) (3) (4) (5) (6); 4.8.1.1.5 Text that has been rendered to a graphic for typographical effect; 4.8.1.1.6 A graphical representation of some of the surrounding text; 4.8.1.1.8 A group of images that form a single larger picture with no links (2); 4.8.1.1.9 A group of images that form a single larger picture with links; 4.8.1.1.10 A key part of the content (2) (3) (4) (5) (6); 4.8.1.1.11 An image not intended for the user; Elements; Attributes

alt: ..., src, useMap, and isMap each must reflect the respective content attributes of the same name.; 4.8.1 The img element (2)

alt: *** area element has an href attribute, then the area element represents a hyperlink. In this case, the ... attribute must be present. It specifies the text of the hyperlink. Its value must be text that, when presented with the texts specified for the other hyperlinks of the image map, and with the alternative text of the image, but without the image itself, provides the user with the same kind of choice as the hyperlink would when used without its text but with its shape applied to the image. The alt attribute may be left blank if there is another area element in the same image map that points to the same resource and has a non-blank alt attribute.; 4.8.13 The area element (2) (3) (4) (5); Elements; Attributes

alt: ..., coords, href, target, rel, media, hreflang, and type, each must reflect the respective content attributes of the same name.; 4.8.13 The area element (2)

alt: *** accept, ..., max, min, multiple, pattern, placeholder, required, size, src, and step IDL attributes must reflect the respective content attributes of the same name. The dirName IDL attribute must reflect the dirname content attribute. The readOnly IDL attribute must reflect the readonly content attribute. The defaultChecked IDL attribute must reflect the checked content attribute. The defaultValue IDL attribute must reflect the value content attribute.; 4.10.7 The input element (2)

alt: ... attribute provides the textual label for the alternative button for users and user agents who cannot use the image. The alt attribute must also be present, and must contain a non-empty string.; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state (2) (3); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; Elements; Attributes

alt: *** align, ..., archive, code, height, hspace, name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

alternate: 4.12.3 Link types; 4.12.3.1 Link type "alternate" (2) (3) (4) (5) (6) (7) (8) (9) (10); 4.12.3.14 Link type "stylesheet"

alternative: 4.8.10.10.1 TrackList objects

ambiguous ampersand: 8.1.2 Elements (2) (3); 8.1.2.3 Attributes; 8.1.4 Character references

An end time: 4.8.10.12.1 Text track model (2) (3); 4.8.10.12.3 Text track API

An entry with persisted user state: 5.4.1 The session history of browsing contexts

An identifier: 4.8.10.12.1 Text track model; 4.8.10.12.3 Text track API (2)

an iframe srcdoc document: 2.5.1 Terminology; 4.2.1 The head element; 4.2.5.5 Specifying the document's character encoding (2); 4.8.2 The iframe element; Attributes

an overridden reload: 3.1 Documents

ancestor: 5.1.1 Nested browsing contexts (2) (3) (4)

anonymous command: 4.11.5 Commands

any: 4.12.3.6 Link type "icon" (2)

application-name: 4.2.5.1 Standard metadata names (2) (3)

application/x-www-form-urlencoded: 4.10.1.2 Implementing the server-side processing for a form; 4.10.19.1 Naming form controls; 4.10.19.5 Form submission (2); Attributes (2)

application/xhtml+xml: 1.6 HTML vs XHTML; 11.3 application/xhtml+xml (2) (3)

ApplicationCache: 5.2 The Window object; 5.6.1.1 Event summary; 5.6.3 Application cache API (2) (3) (4) (5) (6) (7) (8) (9) (10)

archive: ... on object elements; 10.2 Non-conforming features

archive: *** align, alt, ..., code, height, hspace, name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

archive: *** align, ..., border, code, declare, hspace, standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

area: 1.9.3 Restrictions on content models and on attribute values; 2.6.2.1 HTMLCollection; 2.6.2.2 HTMLAllCollection; 3.1.4 DOM tree accessors; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.7 WAI-ARIA; 4.2.4 The link element; 4.8 Embedded content; 4.8.12 The map element (2); 4.8.13 The area element (2) (3) (4) (5) (6) (7) (8) (9) (10) (11); 4.12.1 Introduction (2) (3); 4.12.2 Links created by a and area elements (2) (3) (4) (5); 4.12.3 Link types; 4.12.3.1 Link type "alternate"; 4.12.3.2 Link type "author" (2); 4.12.3.3 Link type "bookmark"; 4.12.3.4 Link type "external"; 4.12.3.5 Link type "help" (2); 4.12.3.7 Link type "license"; 4.12.3.8 Link type "nofollow"; 4.12.3.9 Link type "noreferrer"; 4.12.3.11 Link type "prefetch"; 4.12.3.12 Link type "search"; 4.12.3.13 Link type "sidebar"; 4.12.3.15 Link type "tag"; 4.12.3.16.1 Link type "next"; 4.12.3.16.2 Link type "prev"; 4.12.3.17 Other link types (2) (3) (4) (5) (6); 8.1.2 Elements; 10.2 Non-conforming features (2) (3); Elements (2); Element content categories (2); Interfaces

article: 3.2.5.1.2 Flow content; 3.2.5.1.3 Sectioning content; 3.2.7 WAI-ARIA; 4.4 Sections; 4.4.2 The section element; 4.4.4 The article element (2) (3) (4) (5) (6) (7) (8) (9) (10) (11); 4.4.10 The address element; 4.5.4 The blockquote element; 4.5.13 The div element; 4.6.10 The time element (2) (3) (4) (5); 4.12.3.2 Link type "author"; 4.12.3.3 Link type "bookmark" (2); 4.13.1 The main part of the content (2); 8.1.2.4 Optional tags; Elements; Element content categories (2) (3); Attributes; Interfaces

ASCII-compatible character encoding: 2.1.6 Character encodings; 4.2.5.5 Specifying the document's character encoding (2); 4.10.3 The form element; Attributes

aside: 3.2.5.1.2 Flow content; 3.2.5.1.3 Sectioning content; 3.2.7 WAI-ARIA; 4.4 Sections; 4.4.5 The aside element (2) (3) (4) (5); 4.7.1 The ins element; 4.13.1 The main part of the content; 4.13.5 Footnotes; 8.1.2.4 Optional tags; Elements; Element content categories (2) (3); Interfaces

async: ... and defer attributes are boolean attributes that indicate how the script should be executed. The defer and async attributes must not be specified if the src attribute is not present.; 4.3.1 The script element (2) (3) (4) (5) (6) (7) (8) (9); Elements; Attributes

async: ... IDL attribute controls whether the element will execute asynchronously or not. If the element's "force-async" flag is set, then, on getting, the async IDL attribute must return true, and on setting, the "force-async" flag must first be unset, and then the content attribute must be removed if the IDL attribute's new value is false, and must be set to the empty string if the IDL attribute's new value is true. If the element's "force-async" flag is not set, the IDL attribute must reflect the ... content attribute.; 4.3.1 The script element (2) (3)

Attribute names: 1.8 A quick introduction to HTML; 8.1.2.3 Attributes (2) (3) (4) (5)

Attribute values: 1.8 A quick introduction to HTML; 8.1.2.3 Attributes (2) (3) (4)

Attributes: 1.8 A quick introduction to HTML; 8.1.2.1 Start tags (2); 8.1.2.3 Attributes

Attributes common to form controls: 4.10.19 Attributes common to form controls

Attributes for form submission: 4.10.3 The form element; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state; 4.10.8 The button element; 4.10.19.5 Form submission (2) (3)

author: 4.2.5.1 Standard metadata names

author: 4.12.3 Link types; 4.12.3.2 Link type "author" (2) (3) (4)

authority-based URL: 2.5.2 Resolving URLs

auto: ... keyword, which maps to the ... state; 3.2.3.5 The dir attribute (2); 4.6.23 The bdi element

auto: ... keyword, which maps to the ... state; 3.2.3.5 The dir attribute (2)

auto: 4.8.10.5 Loading the media resource; Attributes

auto: 4.9.10 The th element (2) (3); 7.7.6 The draggable attribute (2)

autocomplete: ... attribute is an enumerated attribute. The attribute has two states. The on keyword maps to the on state, and the off keyword maps to the off state. The attribute may also be omitted. The missing value default is the on state. The off state indicates that by default, input elements in the form will have their resulting autocompletion state set to off; the on state indicates that by default, input elements in the form will have their resulting autocompletion state set to on.; 4.10.3 The form element (2); 4.10.7.2.1 The autocomplete attribute (2); Elements; Attributes

autocomplete: ... IDL attribute must reflect the content attribute of the same name, limited to only known values.; 4.10.3 The form element (2)

autocomplete: ... and type IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The maxLength IDL attribute must reflect the maxlength content attribute, limited to only non-negative numbers.; 4.10.7 The input element (2)

autocomplete: ... attribute is an enumerated attribute. The attribute has three states. The on keyword maps to the on state, and the off keyword maps to the off state. The attribute may also be omitted. The missing value default is the default state.; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state; 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.7.2.1 The autocomplete attribute (2); Elements; Attributes

autofocus: ... IDL attribute must reflect the content attribute of the same name.; 4.10.7 The input element; 4.10.8 The button element; 4.10.9 The select element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.19.3 Autofocusing a form control

Automatic: 4.8.10.5 Loading the media resource (2)

autoplay: ... attribute is a boolean attribute. When present, the user agent will automatically begin playback of the media resource as soon as it can do so without stopping.; 4.8.6 The video element (2); 4.8.7 The audio element (2); 4.8.10 Media elements; 4.8.10.5 Loading the media resource; 4.8.10.7 The ready states (2); 4.8.10.15 Event summary; Elements (2); Attributes (2)

autoplay: ... IDL attribute must reflect the content attribute of the same name.; 4.8.10 Media elements; 4.8.10.7 The ready states

auxiliary browsing contexts: 5.1.2 Auxiliary browsing contexts (2) (3)

axis: ... on td and th elements; 10.2 Non-conforming features

axis: *** abbr, align, ..., height, and width IDL attributes of the td and th elements must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

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background: ... on body, table, thead, tbody, tfoot, tr, td, and th elements; 10.2 Non-conforming features (2) (3)

background: ... IDL attribute of the body element must reflect the element's ... content attribute. (The ... content is not defined to contain a URL, despite rules regarding its handling in the rendering section above.); 10.2 Non-conforming features

BarProp: 5.2 The Window object (2) (3) (4) (5) (6); 5.2.4 Browser interface elements (2)

basefont: 10.2 Non-conforming features (2)

bdi: 3.2.3.5 The dir attribute (2); 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.6 Requirements relating to bidirectional-algorithm formatting characters; 4.6 Text-level semantics; 4.6.23 The bdi element (2) (3); 4.6.28 Usage summary; Elements; Element content categories (2); Interfaces

bdo: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.6 Requirements relating to bidirectional-algorithm formatting characters; 4.6 Text-level semantics; 4.6.24 The bdo element (2); 4.6.28 Usage summary; Elements; Element content categories (2); Interfaces

BeforeUnloadEvent: 5.5.2 Unloading documents (2); Events

behavior: 10.2 Non-conforming features

bgcolor: ... on body elements; 10.2 Non-conforming features (2)

bgcolor: ... on table elements; 10.2 Non-conforming features (2)

bgcolor: ... on td and th elements; 10.2 Non-conforming features (2)

bgcolor: ... on tr elements; 10.2 Non-conforming features (2)

bgColor: ... IDL attribute must reflect the bgcolor content attribute.; 10.2 Non-conforming features

bgColor: ... IDL attribute of the body element must reflect the element's ... content attribute.; 10.2 Non-conforming features

bgColor: ... IDL attribute of the table element must reflect the element's ... content attribute.; 10.2 Non-conforming features

bgColor: ... IDL attribute of the td and th elements must reflect the elements' ... content attributes.; 10.2 Non-conforming features

bgColor: ... IDL attribute of the tr element must reflect the element's ... content attribute.; 10.2 Non-conforming features

bgsound: 10.2 Non-conforming features

bidirectional-algorithm formatting character ranges: 3.2.6 Requirements relating to bidirectional-algorithm formatting characters (2) (3) (4)

big: 10.2 Non-conforming features (2)

blink: 10.2 Non-conforming features

blockquote: 3.2.5.1.2 Flow content; 4.4.11 Headings and sections (2); 4.5 Grouping content; 4.5.4 The blockquote element (2) (3) (4) (5) (6) (7) (8); 8.1.2.4 Optional tags; Elements; Element content categories (2) (3); Interfaces

body: 1.8 A quick introduction to HTML (2) (3) (4) (5); 3.1.4 DOM tree accessors (2); 3.2.3 Global attributes; 4.1.1 The html element; 4.4 Sections; 4.4.1 The body element (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12); 4.4.10 The address element; 4.4.11 Headings and sections (2); 4.4.11.1 Creating an outline (2); 4.13.1 The main part of the content (2); 8.1 Writing HTML documents; 8.1.2.4 Optional tags (2) (3) (4) (5); 10.2 Non-conforming features (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19); Elements (2); Element content categories; Attributes (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21); Interfaces

bold: 7.8 Editing APIs

bookmark: 4.12.3 Link types; 4.12.3.3 Link type "bookmark" (2) (3)

border: ... attribute may be specified on a table element to explicitly indicate that the table element is not being used for layout purposes. If specified, the attribute's value must either be the empty string or the value "1". The attribute is used by certain user agents as an indication that borders should be drawn around cells of the table.; 4.9.1 The table element (2); 10.2 Non-conforming features (2); Elements; Attributes

border: ... IDL attribute must reflect the content attribute of the same name.; 4.9.1 The table element (2)

border: ... on img elements (except as noted in the previous section); 10.1 Obsolete but conforming features; 10.2 Non-conforming features

border: ... on object elements; 10.2 Non-conforming features

border: *** name, align, ..., hspace, and vspace IDL attributes of the img element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

border: *** align, archive, ..., code, declare, hspace, standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

br: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.6 Text-level semantics; 4.6.26 The br element (2) (3) (4) (5) (6) (7); 4.6.28 Usage summary; 8.1.2 Elements; 10.2 Non-conforming features (2); Elements; Element content categories (2); Interfaces

browsing context: 1.5.1 Serializability of script execution; 2.1.5 Plugins; 3.1 Documents (2); 4.2.3 The base element (2); 4.8.1 The img element; 4.8.2 The iframe element (2) (3); 4.12.2 Links created by a and area elements; 4.12.3.13 Link type "sidebar"; 5.1 Browsing contexts (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17); 5.1.1 Nested browsing contexts (2) (3); 5.1.2 Auxiliary browsing contexts; 5.1.2.1 Navigating auxiliary browsing contexts in the DOM (2) (3) (4); 5.1.3 Secondary browsing contexts; 5.4.1 The session history of browsing contexts (2) (3) (4) (5) (6); 5.4.2 The History interface (2); 5.4.3 The Location interface (2); 6.1.2 Events; Elements; Attributes (2) (3) (4)

browsing context container: 5.1.1 Nested browsing contexts (2) (3) (4); 5.1.1.1 Navigating nested browsing contexts in the DOM

browsing context name: 5.1.4 Browsing context names

button: 4.10.7 The input element

Button: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.22 Button state

button: 4.10.8 The button element; Attributes

buttons: 4.10.2 Categories; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state; 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element

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cached: 5.6.1.1 Event summary (2) (3)

call(...): 6.1.2 Events (2)

canplay: 4.8.10.15 Event summary; Attributes

canplay: 4.8.10.15 Event summary

canplaythrough: 4.8.10.15 Event summary; Attributes

canplaythrough: 4.8.10.15 Event summary

captions: 4.8.9 The track element

Captions: 4.8.9 The track element (2); Attributes

captions: 4.8.10.12.1 Text track model

case-sensitive: 2.3 Case-sensitivity and string comparison (2); 2.6.3 DOMTokenList; 4.5.5 The ol element; 4.9.11 Attributes common to td and th elements; 4.10.7.1.1 Hidden state; 4.10.15 The output element; 7.4.2 The accesskey attribute; Attributes (2) (3)

categories: 3.2.4 Element definitions; 3.2.5.1 Kinds of content

CDATA sections: 8.1.2 Elements; 8.1.5 CDATA sections

cellpadding: ... on table elements; 10.2 Non-conforming features (2)

cellPadding: ... IDL attribute of the table element must reflect the element's ... content attribute.; 10.2 Non-conforming features

cellspacing: ... on table elements; 10.2 Non-conforming features (2)

cellSpacing: ... IDL attribute of the table element must reflect the element's ... content attribute.; 10.2 Non-conforming features

center: 10.2 Non-conforming features

ch: ... IDL attribute of the col element must reflect the element's char content attribute.; 10.2 Non-conforming features

ch: ... IDL attribute of the tbody, thead, and tfoot elements must reflect the elements' char content attributes.; 10.2 Non-conforming features

ch: ... IDL attribute of the td and th elements must reflect the elements' char content attributes.; 10.2 Non-conforming features

ch: ... IDL attribute of the tr element must reflect the element's char content attribute.; 10.2 Non-conforming features

challenge: 4.10.14 The keygen element (2); Elements; Attributes

challenge: ... IDL attribute must reflect the content attribute of the same name.; 4.10.14 The keygen element (2)

change: 2.1.3 DOM trees

chapters: 4.8.9 The track element

Chapters: 4.8.9 The track element; Attributes

chapters: 4.8.10.12.1 Text track model

char: ... on col elements; 10.2 Non-conforming features (2)

char: ... on tbody, thead, and tfoot elements; 10.2 Non-conforming features (2)

char: ... on td and th elements; 10.2 Non-conforming features (2)

char: ... on tr elements; 10.2 Non-conforming features (2)

character encoding declaration: 4.2.5 The meta element (2); 4.2.5.3 Pragma directives (2); 4.2.5.5 Specifying the document's character encoding (2); 8.1 Writing HTML documents; 11.1 text/html (2); Attributes

character references: 4.2.5.5 Specifying the document's character encoding; 8.1.2 Elements (2) (3); 8.1.2.3 Attributes; 8.1.3.1 Newlines; 8.1.4 Character references

charoff: ... on col elements; 10.2 Non-conforming features (2)

charoff: ... on tbody, thead, and tfoot elements; 10.2 Non-conforming features (2)

charoff: ... on td and th elements; 10.2 Non-conforming features (2)

charoff: ... on tr elements; 10.2 Non-conforming features (2)

charset: ... attribute specifies the character encoding used by the document. This is a character encoding declaration. If the attribute is present in an XML document, its value must be an ASCII case-insensitive match for the string "UTF-8" (and the document is therefore forced to use UTF-8 as its encoding).; 4.2.5 The meta element (2) (3) (4) (5) (6) (7); 4.2.5.3 Pragma directives; 4.2.5.5 Specifying the document's character encoding (2); Elements; Attributes

charset: ... attribute gives the character encoding of the external script resource. The attribute must not be specified if the src attribute is not present. If the attribute is set, its value must be a valid character encoding name, must be an ASCII case-insensitive match for the preferred MIME name for that encoding, and must match the encoding given in the charset parameter of the Content-Type metadata of the external file, if any. [IANACHARSET]; 4.3.1 The script element (2) (3); Elements; Attributes

charset: *** src, type, ..., and defer, each must reflect the respective content attributes of the same name.; 4.3.1 The script element (2)

charset: ... on a elements; 10.2 Non-conforming features

charset: ... on link elements; 10.2 Non-conforming features

charset: *** coords, ..., name, rev, and shape IDL attributes of the a element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

charset: ..., rev, and target IDL attributes of the link element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

checkbox: 4.10.7 The input element

Checkbox: 3.2.7 WAI-ARIA (2); 4.10.1.1 Writing a form's user interface; 4.10.7 The input element (2) (3); 4.10.7.1.16 Checkbox state (2)

checkbox: *** enumerated attribute with three keywords and states. The "command" keyword maps to the Command state, the "..." keyword maps to the Checkbox state, and the "radio" keyword maps to the Radio state. The missing value default is the Command state.; 4.11.3 The command element; Attributes

Checkbox: 4.11.3 The command element (2) (3)

checked: ... attribute is a boolean attribute that, if present, indicates that the command is selected. The attribute must be omitted unless the type attribute is in either the Checkbox state or the Radio state.; 4.11.3 The command element (2); Elements; Attributes

checked: *** label, icon, disabled, ..., and radiogroup IDL attributes must reflect the respective content attributes of the same name.; 4.11.3 The command element (2)

checking: 5.6.1.1 Event summary

CHECKING: 5.6.3 Application cache API (2) (3)

child browsing context: 2.1.5 Plugins; 5.1.1 Nested browsing contexts (2) (3) (4) (5) (6) (7) (8); 5.2.2 Accessing other browsing contexts (2)

chOff: ... IDL attribute of the col element must reflect the element's charoff content attribute.; 10.2 Non-conforming features

chOff: ... IDL attribute of the tbody, thead, and tfoot elements must reflect the elements' charoff content attributes.; 10.2 Non-conforming features

chOff: ... IDL attribute of the td and th elements must reflect the elements' charoff content attributes.; 10.2 Non-conforming features

chOff: ... IDL attribute of the tr element must reflect the element's charoff content attribute.; 10.2 Non-conforming features

circle: 1.9.3 Restrictions on content models and on attribute values; 4.8.13 The area element; Attributes

circle state: 4.8.13 The area element (2)

cite: *** blockquote must be quoted from another source, whose address, if it has one, may be cited in the ... attribute.; 4.5.4 The blockquote element (2) (3); Elements; Attributes

cite: ... IDL attribute must reflect the element's cite content attribute.; 4.5.4 The blockquote element (2)

cite: 3.2.1 Semantics; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.5.4 The blockquote element (2); 4.6 Text-level semantics; 4.6.6 The cite element (2) (3) (4) (5) (6) (7); 4.6.18 The u element; 4.6.28 Usage summary; Elements; Element content categories (2); Interfaces

cite: *** q element must be quoted from another source, whose address, if it has one, may be cited in the ... attribute. The source may be fictional, as when quoting characters in a novel or screenplay.; 4.6.7 The q element (2) (3); Elements; Attributes

cite: 4.7.1 The ins element; 4.7.2 The del element; 4.7.3 Attributes common to ins and del elements (2) (3); Elements (2); Attributes (2)

cite: ... IDL attribute must reflect the element's ... content attribute. The dateTime IDL attribute must reflect the element's datetime content attribute.; 4.7.3 Attributes common to ins and del elements (2)

class: 2.2.1 Extensibility; 3.2.3 Global attributes; 3.2.3.6 The class attribute (2) (3) (4); 3.2.3.8 Embedding custom non-visible data with the data-* attributes; 4.5.13 The div element; 4.6.16 The i element; 4.6.17 The b element; 4.6.25 The span element (2); Attributes

classid: 10.2 Non-conforming features

classList: 3.2.2 Elements in the DOM; 3.2.3.6 The class attribute

className: 3.2.2 Elements in the DOM; 3.2.3.6 The class attribute

clear: ... on br elements; 10.2 Non-conforming features

clear: ... IDL attribute of the br element must reflect the content attribute of the same name.; 10.2 Non-conforming features

cloned: 2.1.3 DOM trees

code: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.5.3 The pre element; 4.6 Text-level semantics; 4.6.11 The code element (2) (3) (4); 4.6.28 Usage summary; 10.2 Non-conforming features (2) (3); Elements; Element content categories (2); Interfaces

code: ... on object elements; 10.2 Non-conforming features

code: *** align, alt, archive, ..., height, hspace, name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

code: *** align, archive, border, ..., declare, hspace, standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

codebase: ... on object elements; 10.2 Non-conforming features (2)

codeBase: ... IDL attribute must reflect the codebase content attribute, which for the purposes of reflection is defined as containing a URL.; 10.2 Non-conforming features

codeBase: ... IDL attribute of the object element must reflect the element's ... content attribute, which for the purposes of reflection is defined as containing a URL.; 10.2 Non-conforming features

codetype: ... on object elements; 10.2 Non-conforming features (2)

codeType: ... IDL attribute of the object element must reflect the element's ... content attribute.; 10.2 Non-conforming features

col: 4.9.3 The colgroup element (2); 4.9.4 The col element (2) (3); 8.1.2 Elements; 8.1.2.4 Optional tags; 10.2 Non-conforming features (2) (3) (4) (5) (6) (7) (8) (9); Elements (2); Interfaces

col: ... keyword, which maps to the column state; 4.9.10 The th element; Attributes

colgroup: ... keyword, which maps to the column group state; 4.9.10 The th element (2); Attributes

collections: 2.6.2 Collections (2) (3); 2.6.2.1 HTMLCollection; 2.6.2.2 HTMLAllCollection; 2.6.2.3 HTMLFormControlsCollection

color: 4.10.7 The input element

Color: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.15 Color state

color: ... on hr elements; 10.2 Non-conforming features

color: ..., face, and size IDL attributes of the basefont element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

color: ..., face, and size IDL attributes of the font element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

color: *** align, ..., size, and width IDL attributes of the hr element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

cols: ... attribute specifies the expected maximum number of characters per line. If the cols attribute is specified, its value must be a valid non-negative integer greater than zero.; 4.10.13 The textarea element (2) (3) (4); Elements; Attributes

cols: ..., placeholder, required, rows, and wrap attributes must reflect the respective content attributes of the same name. The cols and rows attributes are limited to only non-negative numbers greater than zero. The cols attribute's default value is 20. The rows attribute's default value is 2. The dirName IDL attribute must reflect the dirname content attribute. The maxLength IDL attribute must reflect the maxlength content attribute, limited to only non-negative numbers. The readOnly IDL attribute must reflect the readonly content attribute.; 4.10.13 The textarea element (2) (3) (4)

cols: ... and rows IDL attributes of the frameset element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

colspan: *** td and th elements may have a ... content attribute specified, whose value must be a valid non-negative integer greater than zero.; 4.9.9 The td element; 4.9.10 The th element; 4.9.11 Attributes common to td and th elements; Elements (2); Attributes (2)

colSpan: ... IDL attribute must reflect the content attribute of the same name. The value must be limited to only non-negative numbers greater than zero.; 4.9.11 Attributes common to td and th elements (2)

command: 3.2.5.1.1 Metadata content; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.11 Interactive elements; 4.11.3 The command element (2) (3); 8.1.2 Elements; Elements; Element content categories (2) (3); Interfaces

command: *** enumerated attribute with three keywords and states. The "..." keyword maps to the Command state, the "checkbox" keyword maps to the Checkbox state, and the "radio" keyword maps to the Radio state. The missing value default is the Command state.; 4.11.3 The command element; Attributes

Command: 4.11.3 The command element (2) (3)

command: 3.2.7 WAI-ARIA (2) (3); 4.5.7 The li element; 4.11.5 Commands (2)

command API: 3.2.2 Elements in the DOM; 4.11.5 Commands

Comments: 4.8.2 The iframe element (2) (3); 8.1 Writing HTML documents (2) (3); 8.1.2 Elements (2); 8.1.2.4 Optional tags (2) (3) (4) (5) (6); 8.1.6 Comments

compact: ... on dl elements; 10.2 Non-conforming features

compact: ... on ol elements; 10.2 Non-conforming features

compact: ... on ul elements; 10.2 Non-conforming features

compact: ... IDL attribute of the dir element must reflect the content attribute of the same name.; 10.2 Non-conforming features

compact: ... IDL attribute of the dl element must reflect the content attribute of the same name.; 10.2 Non-conforming features

compact: ... IDL attribute of the ol element must reflect the content attribute of the same name.; 10.2 Non-conforming features

compact: ... and type IDL attributes of the ul element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

compatibility caseless: 2.3 Case-sensitivity and string comparison; 4.8.12 The map element; 4.10.7.1.17 Radio Button state

constraint validation API: 4.10.21.2 The constraint validation API

content: 4.2.5 The meta element (2) (3) (4) (5); 4.2.5.3 Pragma directives (2); Elements; Attributes

content: *** name and ... IDL attributes must reflect the respective content attributes of the same name. The IDL attribute httpEquiv must reflect the content attribute http-equiv.; 4.2.5 The meta element (2)

content attributes: 2.1 Terminology

Content models: 3.2.4 Element definitions; 3.2.5 Content models

contentDocument: ... IDL attribute must return the Document object of the active document of the iframe element's nested browsing context.; 4.8.2 The iframe element (2)

contentDocument: ... IDL attribute must return the Document object of the active document of the object element's nested browsing context, if it has one; otherwise, it must return null.; 4.8.4 The object element (2)

contenteditable: 3.2.3 Global attributes; 7.5 The contenteditable attribute (2) (3); Attributes; Acknowledgements

contentWindow: ... IDL attribute must return the WindowProxy object of the iframe element's nested browsing context.; 4.8.2 The iframe element (2)

contentWindow: ... IDL attribute must return the WindowProxy object of the object element's nested browsing context, if it has one; otherwise, it must return null.; 4.8.4 The object element (2)

Context menus: 4.11.4.2 Context menus (2)

contextmenu: ... attribute gives the element's context menu. The value must be the ID of a menu element in the DOM.; 3.2.3 Global attributes; 4.11.4.2 Context menus (2); Attributes

contextMenu: ... IDL attribute must reflect the ... content attribute.; 3.2.2 Elements in the DOM; 4.11.4.2 Context menus

controls: ... attribute is a boolean attribute. If present, it indicates that the author has not provided a scripted controller and would like the user agent to provide its own set of controls.; 3.2.5.1.7 Interactive content (2); 4.8.6 The video element (2) (3); 4.8.7 The audio element (2) (3); 4.8.10 Media elements; 4.8.10.13 User interface; Elements (2); Element content categories (2); Attributes (2)

controls: ... IDL attribute must reflect the content attribute of the same name.; 4.8.10 Media elements; 4.8.10.13 User interface

coords: ... attribute must, if specified, contain a valid list of integers. This attribute gives the coordinates for the shape described by the shape attribute.; 4.8.13 The area element (2) (3) (4) (5) (6) (7); Elements; Attributes

coords: *** alt, ..., href, target, rel, media, hreflang, and type, each must reflect the respective content attributes of the same name.; 4.8.13 The area element (2)

coords: ... on a elements; 10.2 Non-conforming features

coords: ..., charset, name, rev, and shape IDL attributes of the a element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

copy: 7.7.7 The dropzone attribute (2) (3)

created: 7.7.2 The drag data store

createLink: 7.8 Editing APIs

creator Document: 5.1 Browsing contexts

creator browsing context: 5.1 Browsing contexts (2) (3) (4) (5) (6)

critical subresources: 2.1.1 Resources (2)

CSS properties: 2.1 Terminology

current entry: 5.4.1 The session history of browsing contexts (2); 5.4.2 The History interface (2); 5.4.3 The Location interface; Events (2)

current entry of the joint session history: 5.4.2 The History interface (2)

custom data attribute: 3.2.3 Global attributes; 3.2.3.8 Embedding custom non-visible data with the data-* attributes (2) (3) (4)

top A B C D E F G H I J K L M N O P Q R S T U V W X end

data: ... attribute, if present, specifies the address of the resource. If present, the attribute must be a valid non-empty URL potentially surrounded by spaces.; 4.8.4 The object element (2) (3); 10.2 Non-conforming features; Elements; Attributes

data: ..., type, name, and useMap each must reflect the respective content attributes of the same name.; 4.8.4 The object element (2)

data-: 2.2.1 Extensibility; 2.6.5 DOMStringMap; 3.2.3.8 Embedding custom non-visible data with the data-* attributes (2) (3) (4)

data: URL: 2.1.1 Resources; 4.8.11 The canvas element

DATA_CLONE_ERR: 2.6.7 Exceptions

datafld: 10.2 Non-conforming features

dataformatas: 10.2 Non-conforming features

datapagesize: 10.2 Non-conforming features

datasrc: 10.2 Non-conforming features

DataTransfer: 7.7.1 Introduction; 7.7.3 The DataTransfer interface (2) (3) (4); 7.7.3.1 The DataTransferItems interface; 7.7.3.2 The DataTransferItem interface; 7.7.4 The DragEvent interface (2) (3)

DataTransferItem: 7.7.3.1 The DataTransferItems interface (2) (3) (4); 7.7.3.2 The DataTransferItem interface (2) (3)

DataTransferItems: 7.7.3 The DataTransfer interface (2); 7.7.3.1 The DataTransferItems interface (2) (3)

date: ... consists of a specific proleptic Gregorian date with no time-zone information, consisting of a year, a month, and a day. [GREGORIAN]; 2.4.4.2 Dates; 4.10.7.1.8 Date state

date: 4.10.7 The input element

Date: 3.2.7 WAI-ARIA; 4.6.10 The time element (2); 4.8.10 Media elements; 4.8.10.6 Offsets into the media resource; 4.10.7 The input element (2) (3); 4.10.7.1.8 Date state; 4.10.7.3 Common input element APIs

Date and Time: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.7 Date and Time state; 4.10.7.1.12 Local Date and Time state

datetime: 4.6.10 The time element (2) (3) (4) (5) (6) (7); Elements; Attributes

dateTime: ... IDL attribute must reflect the ... content attribute.; 4.6.10 The time element (2)

datetime: 4.7.1 The ins element; 4.7.2 The del element; 4.7.3 Attributes common to ins and del elements (2) (3); Elements (2); Attributes (2)

dateTime: *** cite IDL attribute must reflect the element's cite content attribute. The ... IDL attribute must reflect the element's ... content attribute.; 4.7.3 Attributes common to ins and del elements (2)

datetime: 4.10.7 The input element

datetime-local: 4.10.7 The input element

dd: 4.5 Grouping content; 4.5.8 The dl element (2) (3); 4.5.9 The dt element (2); 4.5.10 The dd element (2) (3) (4); 8.1.2.4 Optional tags (2) (3) (4); Elements (2) (3); Interfaces

decimal: 4.5.5 The ol element

declare: ... on object elements; 10.2 Non-conforming features

declare: *** align, archive, border, code, ..., hspace, standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

default: ... attribute, if specified, indicates that the track is to be enabled if the user's preferences do not indicate that another track would be more appropriate. There must not be more than one track element with the same parent node with the default attribute specified.; 4.8.9 The track element (2) (3); 4.8.10.12.1 Text track model; Elements; Attributes

default: *** src, srclang, label, and ... IDL attributes must reflect the respective content attributes of the same name. The kind IDL attribute must reflect the content attribute of the same name, limited to only known values.; 4.8.9 The track element (2)

default: 4.8.13 The area element; Attributes

default: *** autocomplete attribute is an enumerated attribute. The attribute has three states. The on keyword maps to the on state, and the off keyword maps to the off state. The attribute may also be omitted. The missing value default is the ... state.; 4.10.7.2.1 The autocomplete attribute (2); 7.6 Spelling and grammar checking (2)

default value: 3.2.7 WAI-ARIA; 4.10.7.1.14 Range state (2)

default state: 4.8.13 The area element (2)

Default style state: 4.2.5.3 Pragma directives (2)

defaultChecked: 4.10.7 The input element (2)

defaultMuted: 4.8.10 Media elements; 4.8.10.13 User interface

defaultSelected: 4.10.12 The option element (2)

defaultValue: 4.10.7 The input element (2)

defer: *** async and ... attributes are boolean attributes that indicate how the script should be executed. The defer and async attributes must not be specified if the src attribute is not present.; 4.3.1 The script element (2) (3) (4) (5) (6) (7) (8); Elements; Attributes

defer: *** src, type, charset, and ..., each must reflect the respective content attributes of the same name.; 4.3.1 The script element (2)

Defining term: 4.6.8 The dfn element (2); 4.6.9 The abbr element

delete: 7.8 Editing APIs

description: 4.2.5.1 Standard metadata names (2)

description: 4.8.10.10.1 TrackList objects

descriptions: 4.8.9 The track element

Descriptions: 4.8.9 The track element (2); Attributes

descriptions: 4.8.10.12.1 Text track model

digits: 2.4.4 Dates and times; 2.4.4.1 Months (2); 2.4.4.2 Dates; 2.4.4.3 Times (2) (3) (4); 2.4.4.5 Global dates and times (2); 2.4.4.6 Weeks (2)

Dimension attributes: 4.8.1 The img element; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.6 The video element; 4.8.17 Dimension attributes; 4.10.7.1.20 Image Button state

dir: ... IDL attribute on an element must reflect the ... content attribute of that element, limited to only known values.; 3.2.2 Elements in the DOM; 3.2.3.5 The dir attribute (2)

dir: ... IDL attribute on HTMLDocument objects must reflect the ... content attribute of the html element, if any, limited to only known values. If there is no such element, then the attribute must return the empty string and do nothing on setting.; 3.1.1 Documents in the DOM; 3.1.4 DOM tree accessors; 3.2.3.5 The dir attribute

dir: 8.1.2.4 Optional tags; 10.2 Non-conforming features (2)

direction: 10.2 Non-conforming features

dirName: *** accept, alt, max, min, multiple, pattern, placeholder, required, size, src, and step IDL attributes must reflect the respective content attributes of the same name. The ... IDL attribute must reflect the dirname content attribute. The readOnly IDL attribute must reflect the readonly content attribute. The defaultChecked IDL attribute must reflect the checked content attribute. The defaultValue IDL attribute must reflect the value content attribute.; 4.10.7 The input element (2)

dirname: ... attribute is a form control dirname attribute.; 4.10.13 The textarea element (2) (3) (4); Attributes

dirName: *** cols, placeholder, required, rows, and wrap attributes must reflect the respective content attributes of the same name. The cols and rows attributes are limited to only non-negative numbers greater than zero. The cols attribute's default value is 20. The rows attribute's default value is 2. The ... IDL attribute must reflect the ... content attribute. The maxLength IDL attribute must reflect the maxlength content attribute, limited to only non-negative numbers. The readOnly IDL attribute must reflect the readonly content attribute.; 4.10.13 The textarea element (2)

disabled: ... only applies to style sheet links. When the link element defines a style sheet link, then the disabled attribute behaves as defined for the alternative style sheets DOM. For all other link elements it always return false and does nothing on setting.; 4.2.4 The link element (2) (3)

disabled: ... IDL attribute behaves as defined for the alternative style sheets DOM.; 4.2.6 The style element (2)

Disabled: 4.8.10.12.1 Text track model (2) (3); 4.8.10.12.3 Text track API

disabled: ... attribute, when specified, causes all the form control descendants of the fieldset element, excluding those that are descendants of the fieldset element's first legend element child, if any, to be disabled.; 4.10.4 The fieldset element (2); 4.10.19.2 Enabling and disabling form controls; Elements; Attributes

disabled: ... IDL attribute must reflect the content attribute of the same name.; 4.10.4 The fieldset element (2)

disabled: ... attribute is a boolean attribute and can be used to disable a group of option elements together.; 4.10.11 The optgroup element (2); 4.10.12 The option element; Elements; Attributes

disabled: ... and label attributes must reflect the respective content attributes of the same name.; 4.10.11 The optgroup element (2)

disabled: ... attribute is a boolean attribute. An option element is ... if its disabled attribute is present or if it is a child of an optgroup element whose ... attribute is present.; 4.10.12 The option element (2) (3); Elements; Attributes

disabled: ... attribute is a boolean attribute. An option element is ... if its ... attribute is present or if it is a child of an optgroup element whose ... attribute is present.; 4.10.10 The datalist element; 4.10.11 The optgroup element; 4.10.12 The option element

disabled: ... and label IDL attributes must reflect the respective content attributes of the same name. The defaultSelected IDL attribute must reflect the selected content attribute.; 4.10.12 The option element (2)

disabled: ... if its ... attribute is set, or if it is a descendant of a fieldset element whose ... attribute is set and is not a descendant of that fieldset element's first legend element child, if any.; 3.2.7 WAI-ARIA; 4.10.4 The fieldset element; 4.10.19.2 Enabling and disabling form controls

disabled: ... IDL attribute must reflect the ... content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.9 The select element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.19.2 Enabling and disabling form controls

disabled: ... attribute is a boolean attribute that, if present, indicates that the command is not available in the current state.; 4.11.3 The command element (2) (3); Elements; Attributes

disabled: *** label, icon, ..., checked, and radiogroup IDL attributes must reflect the respective content attributes of the same name.; 4.11.3 The command element (2)

disown its opener: 5.1.2.1 Navigating auxiliary browsing contexts in the DOM (2)

dispatch: 2.1.4 Scripting

display state: 4.8.10.12.1 Text track model (2)

displayed: 2.1 Terminology

DOCTYPE: 2.5.1 Terminology; 4.8.2 The iframe element; 8.1 Writing HTML documents; 8.1.1 The DOCTYPE (2); 9 The XHTML syntax; 10.1 Obsolete but conforming features

DOCTYPE legacy string: 8.1.1 The DOCTYPE (2) (3)

document: 2.1 Terminology; 2.1.3 DOM trees (2) (3) (4) (5) (6) (7) (8) (9); 2.1.5 Plugins (2) (3); 2.5.1 Terminology; 3.1 Documents (2) (3) (4) (5) (6) (7) (8) (9); 3.1.1 Documents in the DOM (2) (3) (4) (5); 3.1.2 Security; 3.1.3 Resource metadata management (2) (3) (4); 3.1.4 DOM tree accessors (2) (3) (4) (5) (6) (7); 3.1.5 Creating documents (2); 3.4.1 Opening the input stream (2) (3) (4) (5) (6); 3.4.2 Closing the input stream; 3.4.3 document.write(); 3.4.4 document.writeln(); 3.4.5 innerHTML (2) (3); 3.4.6 outerHTML; 3.4.7 insertAdjacentHTML(); 4.2.1 The head element; 4.2.3 The base element; 4.2.6 The style element; 4.4.1 The body element (2); 4.6.10 The time element; 4.8.2 The iframe element (2) (3) (4); 4.8.4 The object element; 4.10.3 The form element; 4.10.6 The label element; 4.10.15 The output element; 4.10.18 Association of controls and forms; 4.10.19.5 Form submission; 4.11.5 Commands; 4.12.1 Introduction; 5.1 Browsing contexts (2) (3) (4) (5) (6) (7) (8) (9); 5.1.1 Nested browsing contexts (2) (3) (4) (5) (6) (7) (8) (9) (10) (11); 5.2 The Window object; 5.4.1 The session history of browsing contexts (2) (3) (4) (5) (6) (7) (8) (9) (10); 5.4.2 The History interface; 5.4.3 The Location interface; 6.1.2 Events; 10.2 Non-conforming features; 11.2 text/html-sandboxed; Events (2)

DOM tree accessors: 3.1.1 Documents in the DOM; 3.1.4 DOM tree accessors; 3.2.2 Elements in the DOM

DOMHTMLImplementation: 3.1.5 Creating documents (2)

DOMSettableTokenList: 2.6.4 DOMSettableTokenList (2); 3.2.2 Elements in the DOM; 4.2.4 The link element; 4.8.2 The iframe element; 4.9.11 Attributes common to td and th elements; 4.10.15 The output element

DOMSTRING_SIZE_ERR: 2.6.7 Exceptions

DOMTokenList: 2.6.3 DOMTokenList (2) (3) (4) (5); 2.6.4 DOMSettableTokenList (2); 3.2.2 Elements in the DOM; 4.2.4 The link element; 4.6.1 The a element; 4.8.13 The area element

downloading: 5.6.1.1 Event summary (2)

DOWNLOADING: 5.6.3 Application cache API (2) (3)

drag: 7.7.5 Events summary; Attributes

Drag and drop: 7.7 Drag and drop

drag data store elements list: 7.7.2 The drag data store (2)

drag data store: 7.7.2 The drag data store (2) (3) (4); 7.7.3 The DataTransfer interface; 7.7.3.1 The DataTransferItems interface (2) (3) (4) (5)

drag data store allowed effects state: 7.7.2 The drag data store (2)

drag data store bitmap: 7.7.2 The drag data store (2)

drag data store default feedback: 7.7.2 The drag data store (2)

drag data store hot spot coordinate: 7.7.2 The drag data store (2)

drag data store item list: 7.7.2 The drag data store (2) (3)

drag data store mode: 7.7.2 The drag data store (2); 7.7.5 Events summary

dragend: 7.7.1 Introduction; 7.7.5 Events summary; Attributes

dragenter: 7.7.1 Introduction; 7.7.5 Events summary; Attributes

DragEvent: 7.7.4 The DragEvent interface (2) (3)

draggable: 3.2.3 Global attributes; 7.7.1 Introduction; 7.7.6 The draggable attribute (2) (3) (4); Attributes

dragleave: 7.7.5 Events summary; Attributes

dragover: 7.7.1 Introduction; 7.7.5 Events summary; Attributes

dragstart: 7.7.1 Introduction; 7.7.2 The drag data store; 7.7.3 The DataTransfer interface; 7.7.5 Events summary (2); Attributes

drop: 7.7.1 Introduction; 7.7.2 The drag data store; 7.7.5 Events summary; Attributes

dropzone: 3.2.3 Global attributes; 7.7.1 Introduction (2) (3); 7.7.2 The drag data store; 7.7.7 The dropzone attribute (2) (3) (4); Attributes

dropzone: ... IDL attribute must reflect the content attribute of the same name.; 3.2.2 Elements in the DOM; 7.7.7 The dropzone attribute

dt: 4.5 Grouping content; 4.5.8 The dl element (2) (3); 4.5.9 The dt element (2) (3) (4) (5); 4.5.10 The dd element (2); 8.1.2.4 Optional tags (2) (3) (4); Elements (2) (3); Interfaces

durationchange: 4.8.10.15 Event summary; Attributes

durationchange: 4.8.10.15 Event summary

Dynamic markup insertion: 3.1.1 Documents in the DOM; 3.2.2 Elements in the DOM; 3.4 Dynamic markup insertion

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E-mail: 3.2.7 WAI-ARIA (2); 4.10.1.1 Writing a form's user interface; 4.10.7 The input element (2); 4.10.7.1.3 Telephone state; 4.10.7.1.5 E-mail state (2)

effective script origin: 3.1.2 Security (2); 5.3 Origin; 5.3.1 Relaxing the same-origin restriction

elements: 4.8.2 The iframe element; 8.1 Writing HTML documents; 8.1.2 Elements (2) (3)

em: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.6 Text-level semantics; 4.6.2 The em element (2) (3) (4) (5); 4.6.4 The small element (2); 4.6.16 The i element; 4.6.17 The b element; 4.6.18 The u element; 4.6.19 The mark element; 4.6.28 Usage summary; Elements; Element content categories (2); Interfaces

email: 4.10.7 The input element

Embedded content: 3.2.5.1 Kinds of content; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.5.1.6 Embedded content (2); 4.8.1 The img element (2); 4.8.1.1.10 A key part of the content; 4.8.2 The iframe element (2); 4.8.3 The embed element (2); 4.8.4 The object element (2); 4.8.6 The video element (2); 4.8.7 The audio element (2); 4.8.11 The canvas element (2) (3) (4) (5); 4.8.15 MathML; 4.8.16 SVG; Elements (2) (3) (4) (5) (6) (7); Element content categories

Embedding custom non-visible data: 3.2.3.8 Embedding custom non-visible data with the data-* attributes

emptied: 4.8.10.15 Event summary; Attributes

emptied: 4.8.10.15 Event summary

empty: 2.1.3 DOM trees

encoding: 4.10.3 The form element; 4.10.19.5 Form submission

Encoding declaration state: 4.2.5 The meta element (2) (3); 4.2.5.3 Pragma directives (2) (3) (4) (5) (6); 4.2.5.5 Specifying the document's character encoding (2)

enctype: ... and formenctype content attributes are enumerated attributes with the following keywords and states:; 4.10.1.3 Configuring a form to communicate with a server; 4.10.3 The form element (2); 4.10.19.5 Form submission (2) (3) (4); Elements; Attributes

enctype: ... of an element is one of those three states. If the element is a submit button and has a formenctype attribute, then the element's enctype is that attribute's state; otherwise, it is the form owner's ... attribute's state.; 4.10.19.5 Form submission (2); 4.10.22 Form submission

enctype: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and ... IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the ... content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.3 The form element; 4.10.19.5 Form submission

End tags: 1.8 A quick introduction to HTML; 8.1.2 Elements; 8.1.2.2 End tags; 8.1.2.4 Optional tags (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20)

ended: 4.8.10.15 Event summary; Attributes

ended: 4.8.10.15 Event summary

error: 4.8.10.15 Event summary

error: 5.6.1.1 Event summary (2) (3) (4)

event: 10.2 Non-conforming features

Event handler content attributes: 1.8 A quick introduction to HTML; 3.2.3 Global attributes; 4.4.1 The body element (2) (3); 6.1.1 Introduction; 6.1.2 Events (2) (3); Attributes (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (74)

event handlers: 3.2.3 Global attributes; 4.4.1 The body element (2) (3) (4); 6.1.2 Events (2) (3) (4)

Example: 1.7.2 Typographic conventions

ExclusiveTrackList: 4.8.10 Media elements; 4.8.10.10 Media resources with multiple media tracks; 4.8.10.10.1 TrackList objects (2)

explicit section: 5.6.2.2 Writing cache manifests (2) (3) (4) (5)

Extensions to the predefined set of pragma directives: 4.2.5.4 Other pragma directives

Extensions to the predefined set of link types: 2.2.1 Extensibility; 4.12.3.17 Other link types

Extensions to the predefined set of metadata names: 2.2.1 Extensibility; 4.2.5.2 Other metadata names; 4.2.5.4 Other pragma directives; 10.2 Non-conforming features

external: 4.12.3 Link types; 4.12.3.4 Link type "external" (2) (3)

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face: *** color, ..., and size IDL attributes of the basefont element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

face: *** color, ..., and size IDL attributes of the font element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

Failed to load: 4.8.10.12.1 Text track model (2); 4.8.10.12.3 Text track API

fallback content: 3.2.5.1.6 Embedded content; 4.8.2 The iframe element; 4.8.11 The canvas element (2) (3) (4) (5)

fallback section: 5.6.2.2 Writing cache manifests (2) (3)

file: 4.10.7 The input element

File Upload: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.18 File Upload state; Attributes

fire: 2.1.4 Scripting

flow content: 3.2.4 Element definitions (2) (3) (4); 3.2.5.1 Kinds of content; 3.2.5.1.2 Flow content (2); 3.2.5.2 Transparent content models; 3.2.5.3 Paragraphs; 4.2.6 The style element (2) (3); 4.3.1 The script element; 4.3.2 The noscript element; 4.4.1 The body element; 4.4.2 The section element (2) (3); 4.4.3 The nav element (2) (3); 4.4.4 The article element (2) (3); 4.4.5 The aside element (2) (3); 4.4.6 The h1, h2, h3, h4, h5, and h6 elements (2); 4.4.7 The hgroup element (2); 4.4.8 The header element (2) (3); 4.4.9 The footer element (2) (3); 4.4.10 The address element (2) (3); 4.5.1 The p element (2); 4.5.2 The hr element (2); 4.5.3 The pre element (2); 4.5.4 The blockquote element (2) (3); 4.5.5 The ol element (2); 4.5.6 The ul element (2); 4.5.7 The li element; 4.5.8 The dl element (2); 4.5.10 The dd element; 4.5.11 The figure element (2) (3) (4) (5) (6); 4.5.12 The figcaption element; 4.5.13 The div element (2) (3); 4.6.1 The a element (2); 4.6.2 The em element; 4.6.3 The strong element; 4.6.4 The small element; 4.6.5 The s element; 4.6.6 The cite element; 4.6.7 The q element; 4.6.8 The dfn element; 4.6.9 The abbr element; 4.6.10 The time element; 4.6.11 The code element; 4.6.12 The var element; 4.6.13 The samp element; 4.6.14 The kbd element; 4.6.15 The sub and sup elements; 4.6.16 The i element; 4.6.17 The b element; 4.6.18 The u element; 4.6.19 The mark element; 4.6.20 The ruby element; 4.6.23 The bdi element; 4.6.24 The bdo element; 4.6.25 The span element; 4.6.26 The br element; 4.6.27 The wbr element; 4.7.1 The ins element (2); 4.7.2 The del element (2); 4.8.1 The img element; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.5 The param element; 4.8.6 The video element; 4.8.7 The audio element; 4.8.8 The source element; 4.8.9 The track element; 4.8.11 The canvas element; 4.8.12 The map element (2); 4.8.13 The area element; 4.8.15 MathML; 4.8.16 SVG (2); 4.9.1 The table element (2); 4.9.2 The caption element; 4.9.9 The td element; 4.10.2 Categories; 4.10.3 The form element (2) (3); 4.10.4 The fieldset element (2) (3); 4.10.6 The label element; 4.10.7 The input element; 4.10.8 The button element; 4.10.9 The select element; 4.10.10 The datalist element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.15 The output element; 4.10.16 The progress element; 4.10.17 The meter element; 4.11.1 The details element (2) (3); 4.11.3 The command element; 4.11.4 The menu element (2) (3) (4); Elements (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (74) (75) (76) (77) (78) (79) (80) (81) (82) (83) (84) (85) (86) (87) (88) (89) (90) (91) (92) (93) (94) (95) (96) (97) (98) (99) (100) (101) (102) (103) (104) (105) (106) (107) (108) (109) (110) (111) (112) (113) (114) (115) (116) (117) (118) (119) (120); Element content categories

font: 10.2 Non-conforming features (2)

for: ... attribute may be specified to indicate a form control with which the caption is to be associated. If the attribute is specified, the attribute's value must be the ID of a labelable form-associated element in the same Document as the label element.; 4.10.6 The label element (2) (3) (4); Elements; Attributes

for: ... content attribute allows an explicit relationship to be made between the result of a calculation and the elements that represent the values that went into the calculation or that otherwise influenced the calculation. The for attribute, if specified, must contain a string consisting of an unordered set of unique space-separated tokens that are case-sensitive, each of which must have the value of an ID of an element in the same Document.; 4.10.15 The output element (2) (3) (4); Elements; Attributes

for: ... on script elements; 10.2 Non-conforming features

Foreign elements: 8.1.2 Elements (2) (3) (4) (5) (6) (7); 8.1.2.1 Start tags (2); 8.1.2.3 Attributes (2)

form: *** form-associated element is, by default, associated with its ancestor ... element, but may have a ... attribute specified to override this.; 4.8.4 The object element (2); 4.10.2 Categories; 4.10.4 The fieldset element (2); 4.10.6 The label element (2); 4.10.7 The input element (2); 4.10.8 The button element (2); 4.10.9 The select element (2); 4.10.13 The textarea element (2); 4.10.14 The keygen element (2); 4.10.15 The output element (2); 4.10.16 The progress element; 4.10.17 The meter element (2); 4.10.18 Association of controls and forms (2); Elements (2) (3) (4) (5) (6) (7) (8) (9) (10) (11); Attributes (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)

form control dirname attribute: 4.10.7.2.2 The dirname attribute; 4.10.13 The textarea element; 4.10.19.6 Submitting element directionality

form control maxlength attribute: 4.10.1.4 Client-side form validation; 4.10.7.2.8 The maxlength attribute; 4.10.13 The textarea element; 4.10.19.4 Limiting user input length (2)

formaction: *** action and ... content attributes, if specified, must have a value that is a valid non-empty URL potentially surrounded by spaces.; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state (2); 4.10.7.1.20 Image Button state (2); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element (2) (3); 4.10.19.5 Form submission (2) (3) (4); Elements (2); Attributes (2)

formAction: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The ... IDL attribute must reflect the ... content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.19.5 Form submission

formatBlock: 7.8 Editing APIs

formenctype: *** enctype and ... content attributes are enumerated attributes with the following keywords and states:; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state (2); 4.10.7.1.20 Image Button state (2); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element (2) (3); 4.10.19.5 Form submission (2) (3) (4); Elements (2); Attributes (2)

formEnctype: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The ... IDL attribute must reflect the ... content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.19.5 Form submission

formmethod: *** method and ... content attributes are enumerated attributes with the following keywords and states:; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state (2); 4.10.7.1.20 Image Button state (2); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element (2) (3); 4.10.19.5 Form submission (2) (3) (4); Elements (2); Attributes (2)

formMethod: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The ... IDL attribute must reflect the ... content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.19.5 Form submission

formnovalidate: *** novalidate and ... content attributes are boolean attributes. If present, they indicate that the form is not to be validated during submission.; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state (2) (3); 4.10.7.1.20 Image Button state (2); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element (2) (3) (4); 4.10.19.5 Form submission (2) (3) (4); Elements (2); Attributes (2)

formNoValidate: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The ... IDL attribute must reflect the ... content attribute. The formTarget IDL attribute must reflect the formtarget content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.19.5 Form submission

formtarget: *** target and ... content attributes, if specified, must have values that are valid browsing context names or keywords.; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state (2); 4.10.7.1.20 Image Button state (2); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.8 The button element (2) (3); 4.10.19.5 Form submission (2) (3) (4); Elements (2); Attributes (2)

formTarget: *** action IDL attribute must reflect the content attribute of the same name, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The target IDL attribute must reflect the content attribute of the same name. The method and enctype IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The encoding IDL attribute must reflect the enctype content attribute, limited to only known values. The noValidate IDL attribute must reflect the novalidate content attribute. The formAction IDL attribute must reflect the formaction content attribute, except that on getting, when the content attribute is missing or its value is the empty string, the document's address must be returned instead. The formEnctype IDL attribute must reflect the formenctype content attribute, limited to only known values. The formMethod IDL attribute must reflect the formmethod content attribute, limited to only known values. The formNoValidate IDL attribute must reflect the formnovalidate content attribute. The ... IDL attribute must reflect the ... content attribute.; 4.10.7 The input element; 4.10.8 The button element; 4.10.19.5 Form submission

forwardDelete: 7.8 Editing APIs

frame: ... on table elements; 10.2 Non-conforming features

frame: *** align, ..., summary, rules, and width, IDL attributes of the table element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

frameborder: ... on iframe elements; 10.2 Non-conforming features (2)

frameBorder: ... IDL attribute of the frame element must reflect the element's frameborder content attribute.; 10.2 Non-conforming features

frameBorder: ... IDL attribute of the iframe element must reflect the element's ... content attribute.; 10.2 Non-conforming features

fully active: 5.1.1 Nested browsing contexts (2) (3) (4); 5.4.2 The History interface

Function: 3.1.1 Documents in the DOM (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54); 3.2.2 Elements in the DOM (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54); 4.4.1 The body element (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20); 4.8.10.10.1 TrackList objects; 4.8.10.11.2 Media controllers (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13); 4.8.10.12.3 Text track API (2) (3) (4) (5); 5.2 The Window object (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69); 5.6.3 Application cache API (2) (3) (4) (5) (6) (7) (8); 6.1.2 Events (2) (3) (4)

FunctionStringCallback: 7.7.3.2 The DataTransferItem interface (2)

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generator: 4.2.5.1 Standard metadata names

get: ..., mapping to the state ..., indicating the HTTP GET method.; 4.10.19.5 Form submission

GET: ..., mapping to the state ..., indicating the HTTP GET method.; 4.10.19.5 Form submission (2)

getting: 2.1.4 Scripting

Global attributes: 3.2.3 Global attributes; 4.1.1 The html element; 4.2.1 The head element; 4.2.2 The title element; 4.2.3 The base element; 4.2.4 The link element; 4.2.5 The meta element; 4.2.6 The style element; 4.3.1 The script element; 4.3.2 The noscript element; 4.4.1 The body element; 4.4.2 The section element; 4.4.3 The nav element; 4.4.4 The article element; 4.4.5 The aside element; 4.4.6 The h1, h2, h3, h4, h5, and h6 elements; 4.4.7 The hgroup element; 4.4.8 The header element; 4.4.9 The footer element; 4.4.10 The address element; 4.5.1 The p element; 4.5.2 The hr element; 4.5.3 The pre element; 4.5.4 The blockquote element; 4.5.5 The ol element; 4.5.6 The ul element; 4.5.7 The li element; 4.5.8 The dl element; 4.5.9 The dt element; 4.5.10 The dd element; 4.5.11 The figure element; 4.5.12 The figcaption element; 4.5.13 The div element; 4.6.1 The a element; 4.6.2 The em element; 4.6.3 The strong element; 4.6.4 The small element; 4.6.5 The s element; 4.6.6 The cite element; 4.6.7 The q element; 4.6.8 The dfn element; 4.6.9 The abbr element; 4.6.10 The time element; 4.6.11 The code element; 4.6.12 The var element; 4.6.13 The samp element; 4.6.14 The kbd element; 4.6.15 The sub and sup elements; 4.6.16 The i element; 4.6.17 The b element; 4.6.18 The u element; 4.6.19 The mark element; 4.6.20 The ruby element; 4.6.21 The rt element; 4.6.22 The rp element; 4.6.23 The bdi element; 4.6.24 The bdo element; 4.6.25 The span element (2); 4.6.26 The br element; 4.6.27 The wbr element; 4.7.1 The ins element; 4.7.2 The del element; 4.8.1 The img element; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.5 The param element; 4.8.6 The video element; 4.8.7 The audio element; 4.8.8 The source element; 4.8.9 The track element; 4.8.11 The canvas element; 4.8.12 The map element; 4.8.13 The area element; 4.9.1 The table element; 4.9.2 The caption element; 4.9.3 The colgroup element; 4.9.4 The col element; 4.9.5 The tbody element; 4.9.6 The thead element; 4.9.7 The tfoot element; 4.9.8 The tr element; 4.9.9 The td element; 4.9.10 The th element; 4.10.3 The form element; 4.10.4 The fieldset element; 4.10.5 The legend element; 4.10.6 The label element; 4.10.7 The input element; 4.10.8 The button element; 4.10.9 The select element; 4.10.10 The datalist element; 4.10.11 The optgroup element; 4.10.12 The option element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.15 The output element; 4.10.16 The progress element; 4.10.17 The meter element; 4.11.1 The details element; 4.11.2 The summary element; 4.11.3 The command element; 4.11.4 The menu element; Elements (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (74) (75) (76) (77) (78) (79) (80) (81) (82) (83) (84) (85) (86) (87) (88) (89) (90) (91) (92) (93) (94) (95) (96) (97) (98) (99) (100) (101) (102) (103)

global date and time: 2.4.4.5 Global dates and times; 4.10.7.1.7 Date and Time state

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hard: *** wrap attribute is an enumerated attribute with two keywords and states: the soft keyword which maps to the Soft state, and the ... keyword which maps to the Hard state. The missing value default is the Soft state.; 4.10.13 The textarea element; Attributes

Hard: ... state indicates that the text in the textarea is to have newlines added by the user agent so that the text is wrapped when it is submitted.; 4.10.13 The textarea element (2) (3)

has range limitations: 4.10.7.2.10 The min and max attributes

hash: *** a element also supports the complement of URL decomposition IDL attributes, protocol, host, port, hostname, pathname, search, and .... These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.6.1 The a element (2)

hash: *** area element also supports the complement of URL decomposition IDL attributes, protocol, host, port, hostname, pathname, search, and .... These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.8.13 The area element (2)

hash: *** Location interface also has the complement of URL decomposition IDL attributes, protocol, host, port, hostname, pathname, search, and ....; 5.4.3 The Location interface (2)

hashchange: 5.5.1 History traversal; Attributes; Events

HashChangeEvent: 5.5.1 History traversal; Events

HAVE_CURRENT_DATA: 4.8.10 Media elements; 4.8.10.7 The ready states (2); 4.8.10.15 Event summary (2) (3)

HAVE_ENOUGH_DATA: 4.8.10 Media elements; 4.8.10.7 The ready states (2); 4.8.10.15 Event summary (2)

HAVE_FUTURE_DATA: 4.8.10 Media elements; 4.8.10.7 The ready states (2) (3); 4.8.10.15 Event summary (2) (3) (4)

HAVE_METADATA: 4.8.10 Media elements; 4.8.10.7 The ready states (2) (3) (4); 4.8.10.15 Event summary (2)

HAVE_NOTHING: 4.8.10 Media elements; 4.8.10.7 The ready states (2); 4.8.10.12.1 Text track model; 4.8.10.15 Event summary

header: 3.2.5.1.2 Flow content; 3.2.7 WAI-ARIA; 4.4 Sections; 4.4.4 The article element; 4.4.8 The header element (2) (3) (4) (5) (6) (7) (8) (9); 4.4.9 The footer element; 4.4.10 The address element; 4.13.1 The main part of the content; 8.1.2.4 Optional tags; Elements; Element content categories (2); Interfaces

headers: *** td and th element may have a ... content attribute specified. The headers attribute, if specified, must contain a string consisting of an unordered set of unique space-separated tokens that are case-sensitive, each of which must have the value of an ID of a th element taking part in the same table as the td or th element.; 4.9.1.1 Techniques for describing tables; 4.9.9 The td element; 4.9.10 The th element; 4.9.11 Attributes common to td and th elements (2) (3); Elements (2); Attributes (2)

headers: ... IDL attribute must reflect the content attribute of the same name.; 4.9.11 Attributes common to td and th elements (2)

Heading content: 3.2.5.1 Kinds of content; 3.2.5.1.3 Sectioning content; 3.2.5.1.4 Heading content; 4.4.6 The h1, h2, h3, h4, h5, and h6 elements; 4.4.7 The hgroup element (2); 4.4.10 The address element; 4.4.11 Headings and sections; Elements (2); Element content categories

Headings and sections: 3.2.5.1.3 Sectioning content; 4.4.6 The h1, h2, h3, h4, h5, and h6 elements; 4.4.7 The hgroup element; 4.4.11 Headings and sections

height: *** canvas element has two attributes to control the size of the coordinate space: width and .... These attributes, when specified, must have values that are valid non-negative integers. The width attribute defaults to 300, and the height attribute defaults to 150.; 4.8.11 The canvas element (2) (3); Elements; Attributes

height: *** width and ... IDL attributes must reflect the respective content attributes of the same name, with the same defaults.; 4.8.11 The canvas element (2)

height: *** width and ... attributes on img, iframe, embed, object, video, and, when their type attribute is in the Image Button state, input elements may be specified to give the dimensions of the visual content of the element (the width and height respectively, relative to the nominal direction of the output medium), in CSS pixels. The attributes, if specified, must have values that are valid non-negative integers.; 4.8.1 The img element (2) (3); 4.8.1.1.11 An image not intended for the user; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.6 The video element; 4.8.17 Dimension attributes (2); 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state; 4.10.7.1.8 Date state; 4.10.7.1.9 Month state; 4.10.7.1.10 Week state; 4.10.7.1.11 Time state; 4.10.7.1.12 Local Date and Time state; 4.10.7.1.13 Number state; 4.10.7.1.14 Range state; 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state; 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; Elements (2) (3) (4) (5) (6); Attributes (2) (3) (4) (5) (6)

height: *** width and ... IDL attributes on the iframe, embed, object, and video elements must reflect the respective content attributes of the same name.; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.6 The video element; 4.8.17 Dimension attributes; 4.10.7 The input element

height: ... on td and th elements; 10.2 Non-conforming features

height: *** align, alt, archive, code, ..., hspace, name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

height: *** behavior, direction, ..., hspace, vspace, and width IDL attributes must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

height: *** abbr, align, axis, ..., and width IDL attributes of the td and th elements must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

help: 4.12.3 Link types; 4.12.3.5 Link type "help" (2) (3) (4)

Hidden: 4.8.10.12.1 Text track model; 4.8.10.12.3 Text track API

hidden: 4.10.7 The input element

Hidden: 3.2.5.1.7 Interactive content; 3.2.7 WAI-ARIA; 4.10.2 Categories; 4.10.7 The input element (2) (3) (4) (5); 4.10.7.1.1 Hidden state; 4.10.19.1 Naming form controls; Element content categories

hidden: 3.2.3 Global attributes; 3.2.3.7 The style attribute; 3.2.7 WAI-ARIA; 4.11.3 The command element; 4.11.5 Commands; 7.1 The hidden attribute (2) (3) (4) (5) (6) (7) (8) (9) (10) (11); Attributes

hidden: ... IDL attribute must reflect the content attribute of the same name.; 3.2.2 Elements in the DOM; 4.11.5 Commands; 7.1 The hidden attribute

hierarchical URL: 2.5.2 Resolving URLs

HIERARCHY_REQUEST_ERR: 2.6.2.4 HTMLOptionsCollection; 2.6.7 Exceptions; 3.1.4 DOM tree accessors; 4.9.1 The table element (2) (3); 4.10.9 The select element

high: *** low attribute specifies the range that is considered to be the "low" part, and the ... attribute specifies the range that is considered to be the "high" part. The optimum attribute gives the position that is "optimum"; if that is higher than the "high" value then this indicates that the higher the value, the better; if it's lower than the "low" mark then it indicates that lower values are better, and naturally if it is in between then it indicates that neither high nor low values are good.; 4.10.17 The meter element (2) (3) (4) (5) (6) (7); Elements; Attributes

high: *** min, max, low, ..., and optimum IDL attributes must reflect the respective content attributes of the same name.; 4.10.17 The meter element (2)

history: ... attribute of the Window interface must return the object implementing the History interface for that Window object's Document.; 5.2 The Window object; 5.4.1 The session history of browsing contexts; 5.4.2 The History interface (2) (3) (4) (5) (6) (7); 5.4.3 The Location interface

History: ... { readonly attribute long length; readonly attribute any state; void go(in optional long delta); void back(); void forward(); void pushState(in any data, in DOMString title, in optional DOMString url); void replaceState(in any data, in DOMString title, in optional DOMString url); };; 5.2 The Window object; 5.4.1 The session history of browsing contexts (2) (3) (4); 5.4.2 The History interface (2) (3) (4)

home subtree: 2.1.3 DOM trees (2); 3.2.3.1 The id attribute; 10.1 Obsolete but conforming features (2)

horizontal: 4.8.10.12.1 Text track model

host: *** a element also supports the complement of URL decomposition IDL attributes, protocol, ..., port, hostname, pathname, search, and hash. These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.6.1 The a element (2)

host: *** area element also supports the complement of URL decomposition IDL attributes, protocol, ..., port, hostname, pathname, search, and hash. These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.8.13 The area element (2)

host: *** Location interface also has the complement of URL decomposition IDL attributes, protocol, ..., port, hostname, pathname, search, and hash.; 5.4.3 The Location interface (2)

hostname: *** a element also supports the complement of URL decomposition IDL attributes, protocol, host, port, ..., pathname, search, and hash. These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.6.1 The a element (2)

hostname: *** area element also supports the complement of URL decomposition IDL attributes, protocol, host, port, ..., pathname, search, and hash. These must follow the rules given for URL decomposition IDL attributes, with the input being the result of resolving the element's href attribute relative to the element, if there is such an attribute and resolving it is successful, or the empty string otherwise; and the common setter action being the same as setting the element's href attribute to the new output value.; 4.8.13 The area element (2)

hostname: *** Location interface also has the complement of URL decomposition IDL attributes, protocol, host, port, ..., pathname, search, and hash.; 5.4.3 The Location interface (2)

href: ... content attribute, if specified, must contain a valid URL potentially surrounded by spaces.; 4.2.3 The base element (2) (3) (4) (5); Elements; Attributes

href: ... IDL attribute, on getting, must return the page's document base URL, and on setting, it must set the ... content attribute to the given new value.; 4.2.3 The base element (2)

href: ... attribute, which must be present and must contain a valid non-empty URL potentially surrounded by spaces.; 4.2.4 The link element (2); 4.12.1 Introduction; Elements; Attributes

href: ..., rel, media, hreflang, and type, and sizes each must reflect the respective content attributes of the same name.; 4.2.4 The link element (2)

href: ..., target, rel, media, hreflang, and type, must reflect the respective content attributes of the same name.; 1.8 A quick introduction to HTML; 4.6.1 The a element (2)

href: *** alt, coords, ..., target, rel, media, hreflang, and type, each must reflect the respective content attributes of the same name.; 4.8.13 The area element (2)

href: ... attribute on a and area elements must have a value that is a valid URL potentially surrounded by spaces.; 1.8 A quick introduction to HTML (2) (3); 3.1.4 DOM tree accessors; 4.6.1 The a element (2) (3) (4) (5) (6); 4.8.1 The img element (2); 4.8.13 The area element (2) (3) (4) (5) (6); 4.12.1 Introduction (2) (3); 4.12.2 Links created by a and area elements (2) (3); 7.1 The hidden attribute; 7.8 Editing APIs; 10.2 Non-conforming features (2); Elements (2); Attributes (2)

hreflang: ... attribute on the link element has the same semantics as the hreflang attribute on a and area elements.; 4.2.4 The link element (2); Elements; Attributes

hreflang: *** href, rel, media, ..., and type, and sizes each must reflect the respective content attributes of the same name.; 4.2.4 The link element (2)

hreflang: *** href, target, rel, media, ..., and type, must reflect the respective content attributes of the same name.; 4.6.1 The a element (2)

hreflang: *** alt, coords, href, target, rel, media, ..., and type, each must reflect the respective content attributes of the same name.; 4.8.13 The area element (2)

hreflang: ... attribute on a and area elements that create hyperlinks, if present, gives the language of the linked resource. It is purely advisory. The value must be a valid BCP 47 language tag. [BCP47]; 4.2.4 The link element; 4.6.1 The a element (2); 4.8.13 The area element (2); 4.12.2 Links created by a and area elements; 4.12.3.1 Link type "alternate" (2) (3); Elements (2); Attributes (2)

hspace: ... on embed elements; 4.8.3 The embed element; 10.2 Non-conforming features

hspace: ... on iframe elements; 10.2 Non-conforming features

hspace: ... on input elements; 10.2 Non-conforming features

hspace: ... on img elements; 10.2 Non-conforming features

hspace: ... on object elements; 10.2 Non-conforming features

hspace: *** align, alt, archive, code, height, ..., name, object, vspace, and width IDL attributes must reflect the respective content attributes of the same name. For the purposes of reflection, the applet element's object content attribute is defined as containing a URL.; 10.2 Non-conforming features

hspace: *** behavior, direction, height, ..., vspace, and width IDL attributes must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

hspace: *** name, align, border, ..., and vspace IDL attributes of the img element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

hspace: *** align, archive, border, code, declare, ..., standby, and vspace IDL attributes of the object element must reflect the respective content attributes of the same name.; 10.2 Non-conforming features

HTML elements: 2.1.2 XML; 2.1.3 DOM trees; 3.1.1 Documents in the DOM; 3.2.2 Elements in the DOM (2) (3); 3.2.3 Global attributes (2) (3) (4) (5); 3.2.3.2 The title attribute; 3.2.3.3 The lang and xml:lang attributes (2) (3) (4); 3.2.3.6 The class attribute; 3.2.3.7 The style attribute; 3.2.3.8 Embedding custom non-visible data with the data-* attributes (2); 3.2.4.1 Attributes; 3.2.5 Content models (2) (3); 3.2.6 Requirements relating to bidirectional-algorithm formatting characters (2) (3) (4); 3.2.7 WAI-ARIA (2) (3); 3.3 APIs in HTML documents; 4.4.1 The body element; 4.8.10.12.3 Text track API; 6.1.2 Events; 7.1 The hidden attribute; 7.4.2 The accesskey attribute; 7.7.6 The draggable attribute; 7.7.7 The dropzone attribute; 8.1.2 Elements; Attributes (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54)

HTML MIME type: 1.6 HTML vs XHTML; 2.1.1 Resources; 8 The HTML syntax

HTML namespace: 2.7 Namespaces; 3.2.3 Global attributes; 3.2.5.1.6 Embedded content; 3.3 APIs in HTML documents; 4.8.16 SVG; 11.3 application/xhtml+xml (2)

HTMLAllCollection: 2.6.2 Collections; 2.6.2.2 HTMLAllCollection (2) (3) (4) (5)

HTMLAnchorElement: 4.6.1 The a element; Elements; Interfaces

HTMLAreaElement: 4.8.13 The area element; Elements; Interfaces

HTMLAudioElement: 4.8.7 The audio element; Elements; Interfaces

HTMLBaseElement: 4.2.3 The base element; Elements; Interfaces

HTMLBodyElement: 4.4.1 The body element; Elements; Interfaces

HTMLBRElement: 4.6.26 The br element; Elements; Interfaces

HTMLButtonElement: 4.10.8 The button element; Elements; Interfaces

HTMLCanvasElement: 4.8.11 The canvas element; Elements; Interfaces

HTMLCommandElement: 4.11.3 The command element; Elements; Interfaces

HTMLDataListElement: 4.10.10 The datalist element; Elements; Interfaces

HTMLDetailsElement: 4.11.1 The details element; Elements; Interfaces

HTMLDivElement: 4.5.13 The div element; Elements; Interfaces

HTMLDListElement: 4.5.8 The dl element; Elements; Interfaces

HTMLDocument: 1.8 A quick introduction to HTML (2); 3.1.1 Documents in the DOM (2) (3) (4) (5) (6) (7); 3.1.2 Security; 3.1.4 DOM tree accessors; 3.2.3.5 The dir attribute

HTMLElement: 2.6.2.4 HTMLOptionsCollection (2) (3); 3.1.1 Documents in the DOM; 3.2.2 Elements in the DOM (2) (3) (4); 4.1.1 The html element; 4.2.1 The head element; 4.2.2 The title element; 4.2.3 The base element; 4.2.4 The link element; 4.2.5 The meta element; 4.2.6 The style element; 4.3.1 The script element; 4.3.2 The noscript element; 4.4.1 The body element; 4.4.2 The section element; 4.4.3 The nav element; 4.4.4 The article element; 4.4.5 The aside element; 4.4.6 The h1, h2, h3, h4, h5, and h6 elements; 4.4.7 The hgroup element; 4.4.8 The header element; 4.4.9 The footer element; 4.4.10 The address element; 4.5.1 The p element; 4.5.2 The hr element; 4.5.3 The pre element; 4.5.4 The blockquote element; 4.5.5 The ol element; 4.5.6 The ul element; 4.5.7 The li element; 4.5.8 The dl element; 4.5.9 The dt element; 4.5.10 The dd element; 4.5.11 The figure element; 4.5.12 The figcaption element; 4.5.13 The div element; 4.6.1 The a element; 4.6.2 The em element; 4.6.3 The strong element; 4.6.4 The small element; 4.6.5 The s element; 4.6.6 The cite element; 4.6.8 The dfn element; 4.6.9 The abbr element; 4.6.10 The time element; 4.6.11 The code element; 4.6.12 The var element; 4.6.13 The samp element; 4.6.14 The kbd element; 4.6.15 The sub and sup elements; 4.6.16 The i element; 4.6.17 The b element; 4.6.18 The u element; 4.6.19 The mark element; 4.6.20 The ruby element; 4.6.21 The rt element; 4.6.22 The rp element; 4.6.23 The bdi element; 4.6.24 The bdo element; 4.6.25 The span element; 4.6.26 The br element; 4.6.27 The wbr element; 4.7.3 Attributes common to ins and del elements; 4.8.1 The img element; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.5 The param element; 4.8.8 The source element; 4.8.9 The track element; 4.8.10 Media elements; 4.8.11 The canvas element; 4.8.12 The map element; 4.8.13 The area element; 4.9.1 The table element (2) (3) (4) (5) (6); 4.9.2 The caption element; 4.9.3 The colgroup element; 4.9.5 The tbody element (2); 4.9.8 The tr element (2); 4.9.11 Attributes common to td and th elements; 4.10.3 The form element; 4.10.4 The fieldset element; 4.10.5 The legend element; 4.10.6 The label element (2); 4.10.7 The input element (2); 4.10.8 The button element; 4.10.9 The select element (2) (3) (4); 4.10.10 The datalist element; 4.10.11 The optgroup element; 4.10.12 The option element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.15 The output element; 4.10.16 The progress element; 4.10.17 The meter element; 4.11.1 The details element; 4.11.2 The summary element; 4.11.3 The command element; 4.11.4 The menu element; Elements (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37); Interfaces (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (74) (75) (76) (77) (78) (79) (80) (81) (82) (83) (84) (85) (86) (87) (88) (89) (90) (91) (92) (93) (94) (95) (96) (97) (98) (99) (100) (101) (102) (103) (104)

HTMLEmbedElement: 4.8.3 The embed element; Elements; Interfaces

HTMLFieldSetElement: 4.10.4 The fieldset element; Elements; Interfaces

htmlFor: ... IDL attribute must reflect the for content attribute.; 4.10.6 The label element (2)

htmlFor: ... IDL attribute must reflect the for content attribute.; 4.10.15 The output element (2)

HTMLFormControlsCollection: 2.6.2 Collections; 2.6.2.3 HTMLFormControlsCollection (2); 4.10.3 The form element; 4.10.4 The fieldset element (2)

HTMLFormElement: 4.8.4 The object element; 4.10.3 The form element; 4.10.4 The fieldset element; 4.10.5 The legend element; 4.10.6 The label element; 4.10.7 The input element; 4.10.8 The button element; 4.10.9 The select element; 4.10.12 The option element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.10.15 The output element; 4.10.16 The progress element; 4.10.17 The meter element; Elements; Interfaces

HTMLHeadElement: 3.1.1 Documents in the DOM; 4.2.1 The head element; Elements; Interfaces

HTMLHeadingElement: 4.4.6 The h1, h2, h3, h4, h5, and h6 elements; Elements; Interfaces (2) (3) (4) (5) (6)

HTMLHRElement: 4.5.2 The hr element; Elements; Interfaces

HTMLHtmlElement: 4.1.1 The html element; Elements; Interfaces

HTMLIFrameElement: 4.8.2 The iframe element; Elements; Interfaces

HTMLImageElement: 4.8.1 The img element (2) (3); Elements; Interfaces

HTMLInputElement: 4.10.7 The input element; Elements; Interfaces

HTMLKeygenElement: 4.10.14 The keygen element; Elements; Interfaces

HTMLLabelElement: 4.10.6 The label element; Elements; Interfaces

HTMLLegendElement: 4.10.5 The legend element; Elements; Interfaces

HTMLLIElement: 4.5.7 The li element; Elements; Interfaces

HTMLLinkElement: 4.2.4 The link element (2); Elements; Interfaces

HTMLMapElement: 4.8.12 The map element; Elements; Interfaces

HTMLMediaElement: 4.8.6 The video element; 4.8.7 The audio element; 4.8.10 Media elements; Interfaces (2)

HTMLMenuElement: 3.2.2 Elements in the DOM; 4.11.4 The menu element; Elements

HTMLMetaElement: 4.2.5 The meta element; Elements

HTMLMeterElement: 4.10.17 The meter element; Elements; Interfaces

HTMLModElement: 4.7.1 The ins element; 4.7.2 The del element; 4.7.3 Attributes common to ins and del elements (2); Elements (2); Interfaces (2)

HTMLObjectElement: 4.8.4 The object element; Elements; Interfaces

HTMLOListElement: 4.5.5 The ol element; Elements; Interfaces

HTMLOptGroupElement: 4.10.11 The optgroup element; Elements; Interfaces

HTMLOptionElement: 4.10.7 The input element; 4.10.12 The option element; Elements; Interfaces

HTMLOptionsCollection: 2.6.2 Collections; 2.6.2.4 HTMLOptionsCollection (2); 4.10.9 The select element (2)

HTMLOutputElement: 4.10.15 The output element; Elements; Interfaces

HTMLParagraphElement: 4.5.1 The p element; Elements; Interfaces

HTMLParamElement: 4.8.5 The param element; Elements; Interfaces

HTMLPreElement: 4.5.3 The pre element; Elements; Interfaces

HTMLProgressElement: 4.10.16 The progress element; Elements; Interfaces

HTMLQuoteElement: 4.5.4 The blockquote element (2); 4.6.7 The q element; Elements (2); Interfaces

HTMLScriptElement: 4.3.1 The script element; Elements

HTMLSelectElement: 4.10.9 The select element; Elements; Interfaces

HTMLSourceElement: 4.8.8 The source element; Elements; Interfaces

HTMLSpanElement: 4.6.25 The span element; Elements; Interfaces

HTMLStyleElement: 4.2.6 The style element (2); Elements; Interfaces

HTMLTableCaptionElement: 4.9.1 The table element; 4.9.2 The caption element; Elements; Interfaces

HTMLTableCellElement: 4.9.9 The td element; 4.9.10 The th element; 4.9.11 Attributes common to td and th elements (2); Interfaces (2)

HTMLTableColElement: 4.9.3 The colgroup element; 4.9.4 The col element; Elements (2); Interfaces (2)

HTMLTableDataCellElement: 4.9.9 The td element; Elements; Interfaces

HTMLTableElement: 4.9.1 The table element; Elements; Interfaces

HTMLTableHeaderCellElement: 4.9.10 The th element; Elements; Interfaces

HTMLTableRowElement: 4.9.8 The tr element; Elements; Interfaces

HTMLTableSectionElement: 4.9.1 The table element (2); 4.9.5 The tbody element (2); 4.9.6 The thead element; 4.9.7 The tfoot element; Elements (2) (3); Interfaces (2) (3)

HTMLTextAreaElement: 4.10.13 The textarea element; Elements; Interfaces

HTMLTimeElement: 4.6.10 The time element; Elements; Interfaces

HTMLTitleElement: 4.2.2 The title element; Elements; Interfaces

HTMLTrackElement: 4.8.9 The track element; Elements; Interfaces

HTMLUListElement: 4.5.6 The ul element; Elements; Interfaces

HTMLUnknownElement: 3.2.2 Elements in the DOM

HTMLVideoElement: 4.8.6 The video element; Elements; Interfaces

http-equiv: 4.2.5 The meta element (2) (3) (4) (5) (6) (7) (8); 4.2.5.3 Pragma directives (2) (3) (4) (5) (6); 4.2.5.5 Specifying the document's character encoding (2); Elements; Attributes

httpEquiv: 4.2.5 The meta element (2)

hyperlink annotations: 4.12.1 Introduction; 4.12.3 Link types (2); 4.12.3.8 Link type "nofollow"; 4.12.3.9 Link type "noreferrer"; 4.12.3.17 Other link types

Hyperlinks: 1.8 A quick introduction to HTML; 3.2.7 WAI-ARIA (2) (3); 4.2.3 The base element (2); 4.2.4 The link element (2); 4.6.1 The a element; 4.8.1.1.2 A link or button containing nothing but the image; 4.8.13 The area element; 4.8.14 Image maps; 4.12.1 Introduction (2) (3) (4); 4.12.2 Links created by a and area elements; 4.12.3 Link types (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20); 4.12.3.1 Link type "alternate" (2); 4.12.3.2 Link type "author"; 4.12.3.3 Link type "bookmark"; 4.12.3.4 Link type "external"; 4.12.3.5 Link type "help"; 4.12.3.7 Link type "license"; 4.12.3.8 Link type "nofollow"; 4.12.3.9 Link type "noreferrer"; 4.12.3.12 Link type "search"; 4.12.3.13 Link type "sidebar" (2); 4.12.3.15 Link type "tag"; 4.12.3.16.1 Link type "next"; 4.12.3.16.2 Link type "prev"; 4.12.3.17 Other link types (2) (3); Attributes (2) (3) (4)

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i: 4.5.5 The ol element

I: 4.5.5 The ol element

icon: ... attribute gives a picture that represents the command. If the attribute is specified, the attribute's value must contain a valid non-empty URL potentially surrounded by spaces.; 4.11.3 The command element (2); Elements; Attributes

icon: *** label, ..., disabled, checked, and radiogroup IDL attributes must reflect the respective content attributes of the same name.; 4.11.3 The command element (2)

icon: 4.2.4 The link element (2); 4.12.3 Link types; 4.12.3.6 Link type "icon" (2); Attributes

id: 1.9.3 Restrictions on content models and on attribute values; 3.2.3 Global attributes; 3.2.3.1 The id attribute (2) (3); 4.8.12 The map element; 10.1 Obsolete but conforming features; 10.2 Non-conforming features; Attributes

id: ... IDL attribute must reflect the ... content attribute.; 3.2.2 Elements in the DOM; 3.2.3.1 The id attribute; 4.11.5 Commands

IDL attributes: 2.1 Terminology

IDLE: 5.6.3 Application cache API (2) (3) (4)

ignored: 2.1.3 DOM trees

image: 4.10.7 The input element

Image Button: 3.2.7 WAI-ARIA; 4.8.17 Dimension attributes; 4.10.7 The input element (2); 4.10.7.1.20 Image Button state

image map: 4.8.1 The img element; 4.8.1.1.9 A group of images that form a single larger picture with links; 4.8.4 The object element; 4.8.12 The map element; 4.8.13 The area element (2) (3); 4.8.14 Image maps; 10.2 Non-conforming features; Elements; Attributes (2) (3) (4)

Image(): 4.8.1 The img element (2) (3)

Image(width): 4.8.1 The img element (2)

Image(width, height): 4.8.1 The img element (2)

img: 2.6.2 Collections; 2.6.2.1 HTMLCollection; 2.6.2.2 HTMLAllCollection; 3.1.4 DOM tree accessors; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.5.1.6 Embedded content; 3.2.5.1.7 Interactive content; 3.2.7 WAI-ARIA (2) (3); 4.8 Embedded content; 4.8.1 The img element (2) (3) (4) (5) (6) (7); 4.8.1.1.3 A phrase or paragraph with an alternative graphical representation: charts, diagrams, graphs, maps, illustrations; 4.8.1.1.10 A key part of the content (2); 4.8.1.1.11 An image not intended for the user (2); 4.8.12 The map element; 4.8.14 Image maps (2); 4.8.17 Dimension attributes; 4.10.7.1.20 Image Button state; 6.1.1 Introduction; 8.1.2 Elements; 10.1 Obsolete but conforming features; 10.2 Non-conforming features (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12); 11.1 text/html; Elements; Element content categories (2) (3) (4); Interfaces; Events

in a Document: 2.1.3 DOM trees (2) (3); 5.1.1 Nested browsing contexts (2)

indeterminate: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.16 Checkbox state (2) (3) (4)

INDEX_SIZE_ERR: 2.6.7 Exceptions; 4.8.10.6 Offsets into the media resource; 4.8.10.11.2 Media controllers; 4.8.10.13 User interface; 4.8.10.14 Time ranges (2); 4.9.1 The table element (2); 4.9.5 The tbody element (2); 4.9.8 The tr element (2)

initDragEvent(): 7.7.4 The DragEvent interface (2)

initHashChangeEvent(): 5.5.1 History traversal (2)

initPageTransitionEvent(): 5.5.1 History traversal (2)

initPopStateEvent(): 5.5.1 History traversal (2)

Inline documentation for external scripts: 4.3.1 The script element; 4.3.1.2 Restrictions for contents of script elements; 4.3.1.3 Inline documentation for external scripts

innerHTML: 3.1.1 Documents in the DOM; 3.2.2 Elements in the DOM; 3.4.5 innerHTML (2) (3) (4); 4.3.1 The script element; 4.3.2 The noscript element

input: 2.1.3 DOM trees; 3.2.3.2 The title attribute; 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.5.1.7 Interactive content; 3.2.7 WAI-ARIA (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27); 4.8.17 Dimension attributes; 4.10.1.1 Writing a form's user interface (2) (3) (4) (5) (6); 4.10.1.4 Client-side form validation; 4.10.2 Categories (2) (3) (4) (5); 4.10.3 The form element (2); 4.10.7 The input element (2) (3) (4) (5) (6); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state (2); 4.10.7.1.3 Telephone state (2); 4.10.7.1.4 URL state (2); 4.10.7.1.5 E-mail state (2) (3) (4); 4.10.7.1.6 Password state (2); 4.10.7.1.7 Date and Time state (2); 4.10.7.1.8 Date state (2); 4.10.7.1.9 Month state (2); 4.10.7.1.10 Week state (2); 4.10.7.1.11 Time state (2); 4.10.7.1.12 Local Date and Time state (2) (3); 4.10.7.1.13 Number state (2); 4.10.7.1.14 Range state (2); 4.10.7.1.15 Color state (2); 4.10.7.1.16 Checkbox state (2); 4.10.7.1.17 Radio Button state (2) (3) (4) (5) (6) (7); 4.10.7.1.18 File Upload state (2) (3); 4.10.7.1.19 Submit Button state (2); 4.10.7.1.20 Image Button state (2) (3); 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.7.2 Common input element attributes; 4.10.7.2.3 The list attribute; 4.10.7.2.8 The maxlength attribute; 4.10.7.2.9 The pattern attribute; 4.10.7.3 Common input element APIs; 4.10.10 The datalist element (2); 4.10.19.5 Form submission; 4.10.20 APIs for the text field selections (2) (3) (4); 8.1.2 Elements; 10.2 Non-conforming features (2) (3) (4) (5) (6) (7) (8) (9) (10); Elements; Element content categories (2) (3) (4) (5) (6) (7) (8); Interfaces

inserted into a document: 2.1.3 DOM trees

insertHTML: 7.8 Editing APIs

insertImage: 7.8 Editing APIs

insertLineBreak: 7.8 Editing APIs

insertOrderedList: 7.8 Editing APIs

insertParagraph: 7.8 Editing APIs

insertText: 7.8 Editing APIs

insertUnorderedList: 7.8 Editing APIs

inter-element whitespace: 3.2.5 Content models (2) (3) (4); 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content (2); 3.2.5.3 Paragraphs; 4.2.6 The style element; 4.8.1.1.10 A key part of the content (2)

Interactive content: 1.9.3 Restrictions on content models and on attribute values; 3.2.5.1 Kinds of content; 3.2.5.1.7 Interactive content; 4.6.1 The a element (2); 4.8.1 The img element; 4.8.2 The iframe element; 4.8.3 The embed element; 4.8.4 The object element; 4.8.6 The video element; 4.8.7 The audio element; 4.10.2 Categories; 4.10.6 The label element; 4.10.7 The input element; 4.10.8 The button element (2); 4.10.9 The select element; 4.10.13 The textarea element; 4.10.14 The keygen element; 4.11.1 The details element; 4.11.4 The menu element; Elements (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15); Element content categories

INUSE_ATTRIBUTE_ERR: 2.6.7 Exceptions

INVALID_ACCESS_ERR: 2.6.7 Exceptions

INVALID_CHARACTER_ERR: 2.6.3 DOMTokenList (2) (3) (4); 2.6.7 Exceptions; 6.2 Base64 utility methods (2)

INVALID_MODIFICATION_ERR: 2.6.7 Exceptions

INVALID_STATE_ERR: 2.6.7 Exceptions; 3.4.1 Opening the input stream; 3.4.2 Closing the input stream; 3.4.3 document.write(); 3.4.4 document.writeln(); 3.4.5 innerHTML (2); 3.4.6 outerHTML; 4.8.10.6 Offsets into the media resource; 4.10.7.3 Common input element APIs (2) (3) (4); 5.6.3 Application cache API (2)

isindex: 4.10.19.1 Naming form controls (2)

isindex: 10.2 Non-conforming features

ismap: ... attribute, when used on an element that is a descendant of an a element with an href attribute, indicates by its presence that the element provides access to a server-side image map. This affects how events are handled on the corresponding a element.; 4.8.1 The img element (2) (3); Elements; Attributes

isMap: *** alt, src, useMap, and ... each must reflect the respective content attributes of the same name.; 4.8.1 The img element (2)

italic: 7.8 Editing APIs

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joint session history: 5.4.2 The History interface (2) (3) (4) (5) (6)

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keytype: ... attribute is an enumerated attribute. The following table lists the keywords and states for the attribute — the keywords in the left column map to the states listed in the cell in the second column on the same row as the keyword. User agents are not required to support these values, and must only recognize values whose corresponding algorithms they support.; 4.10.14 The keygen element (2); Elements; Attributes

keytype: ... IDL attribute must reflect the content attribute of the same name, limited to only known values.; 4.10.14 The keygen element (2)

keywords: 4.2.5.1 Standard metadata names

kind: ... attribute is an enumerated attribute. The following table lists the keywords defined for this attribute. The keyword given in the first cell of each row maps to the state given in the second cell.; 4.8.9 The track element (2) (3) (4); Elements; Attributes

kind: *** src, srclang, label, and default IDL attributes must reflect the respective content attributes of the same name. The ... IDL attribute must reflect the content attribute of the same name, limited to only known values.; 4.8.9 The track element (2)

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label: ... attribute gives a user-readable title for the track. This title is used by user agents when listing subtitle, caption, and audio description tracks in their user interface.; 4.8.9 The track element (2) (3) (4); Elements; Attributes

label: *** src, srclang, ..., and default IDL attributes must reflect the respective content attributes of the same name. The kind IDL attribute must reflect the content attribute of the same name, limited to only known values.; 4.8.9 The track element (2)

label: 4.10.11 The optgroup element (2); Elements; Attributes

label: *** disabled and ... attributes must reflect the respective content attributes of the same name.; 4.10.11 The optgroup element (2)

label: ... attribute provides a label for element. The ... of an option element is the value of the label attribute, if there is one, or the textContent of the element, if there isn't.; 4.10.12 The option element (2) (3); Elements; Attributes

label: ... attribute provides a label for element. The ... of an option element is the value of the ... attribute, if there is one, or the textContent of the element, if there isn't.; 4.10.10 The datalist element; 4.10.12 The option element

label: *** disabled and ... IDL attributes must reflect the respective content attributes of the same name. The defaultSelected IDL attribute must reflect the selected content attribute.; 4.10.12 The option element (2)

label: ... attribute gives the name of the command, as shown to the user. The label attribute must be specified and must have a value that is not the empty string.; 4.11.3 The command element (2) (3); Elements; Attributes

label: ..., icon, disabled, checked, and radiogroup IDL attributes must reflect the respective content attributes of the same name.; 4.11.3 The command element (2)

lang: ... attribute (in no namespace) specifies the primary language for the element's contents and for any of the element's attributes that contain text. Its value must be a valid BCP 47 language tag, or the empty string. Setting the attribute to the empty string indicates that the primary language is unknown. [BCP47]; 1.9.3 Restrictions on content models and on attribute values; 3.2.1 Semantics; 3.2.3 Global attributes; 3.2.3.3 The lang and xml:lang attributes (2) (3) (4) (5) (6); 4.5.13 The div element; 4.6.16 The i element; 4.6.25 The span element; Attributes

lang: ... attribute in the XML namespace is defined in XML. [XML]; 1.9.3 Restrictions on content models and on attribute values; 3.2.3.3 The lang and xml:lang attributes (2) (3) (4) (5) (6); 4.6.16 The i element

lang: ... IDL attribute must reflect the ... content attribute in no namespace.; 3.2.2 Elements in the DOM; 3.2.3.3 The lang and xml:lang attributes

language: 10.1 Obsolete but conforming features; 10.2 Non-conforming features

legend: 4.10.1.1 Writing a form's user interface; 4.10.4 The fieldset element (2) (3); 4.10.5 The legend element (2) (3); 4.10.19.2 Enabling and disabling form controls; 4.11.5 Commands; 10.2 Non-conforming features (2) (3) (4) (5); Elements (2); Interfaces

license: 4.12.3 Link types; 4.12.3.7 Link type "license" (2) (3) (4)

link: 3.2.3.2 The title attribute; 3.2.5.1.1 Metadata content; 3.2.7 WAI-ARIA; 4.2.4 The link element (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15); 4.2.5 The meta element; 4.2.5.2 Other metadata names; 4.2.6 The style element; 4.2.7 Styling (2); 4.3.2 The noscript element (2) (3); 4.12.1 Introduction (2) (3); 4.12.3 Link types; 4.12.3.1 Link type "alternate" (2); 4.12.3.2 Link type "author" (2); 4.12.3.5 Link type "help" (2); 4.12.3.6 Link type "icon"; 4.12.3.7 Link type "license"; 4.12.3.10 Link type "pingback"; 4.12.3.11 Link type "prefetch"; 4.12.3.12 Link type "search" (2); 4.12.3.13 Link type "sidebar"; 4.12.3.14 Link type "stylesheet" (2) (3); 4.12.3.15 Link type "tag"; 4.12.3.16.1 Link type "next"; 4.12.3.16.2 Link type "prev"; 4.12.3.17 Other link types (2) (3) (4) (5); 8.1.2 Elements; 10.2 Non-conforming features (2) (3) (4) (5) (6) (7); Elements; Element content categories; Interfaces

link: 7.7.7 The dropzone attribute (2)

link: ... on body elements; 10.2 Non-conforming features (2)

link: ... IDL attribute of the body element must reflect the element's ... content attribute.; 10.2 Non-conforming features

Links to external resources: 4.2.4 The link element (2) (3); 4.12.1 Introduction; 4.12.3 Link types (2) (3) (4) (5); 4.12.3.6 Link type "icon"; 4.12.3.10 Link type "pingback"; 4.12.3.11 Link type "prefetch"; 4.12.3.14 Link type "stylesheet"; 4.12.3.17 Other link types (2)

list: *** type attribute is an enumerated attribute indicating the kind of menu being declared. The attribute has three states. The context keyword maps to the context menu state, in which the element is declaring a context menu. The toolbar keyword maps to the toolbar state, in which the element is declaring a toolbar. The attribute may also be omitted. The missing value default is the ... state, which indicates that the element is merely a list of commands that is neither declaring a context menu nor defining a toolbar.; 3.2.7 WAI-ARIA (2) (3) (4); 4.11.4 The menu element (2)

list of options: 3.2.7 WAI-ARIA; 4.10.9 The select element (2) (3) (4) (5) (6) (7) (8) (9) (10)

list of text tracks: 4.8.10.12.1 Text track model (2) (3); 4.8.10.12.3 Text track API (2) (3)

list of the descendant browsing contexts: 5.1.1 Nested browsing contexts (2)

listing: 10.2 Non-conforming features

live: 2.1.4 Scripting; 2.6.2 Collections; 4.10.21.2 The constraint validation API

Loaded: 4.8.10.12.1 Text track model (2); 4.8.10.12.3 Text track API

loadeddata: 4.8.10.15 Event summary; Attributes

loadeddata: 4.8.10.15 Event summary

loadedmetadata: 4.8.10.15 Event summary; Attributes

loadedmetadata: 4.8.10.15 Event summary

Loading: 4.8.10.12.1 Text track model (2); 4.8.10.12.3 Text track API

loadstart: 4.8.10.15 Event summary; Attributes

local date and time: ... consists of a specific proleptic Gregorian date, consisting of a year, a month, and a day, and a time, consisting of an hour, a minute, a second, and a fraction of a second, but expressed without a time zone. [GREGORIAN]; 2.4.4.4 Local dates and times; 4.10.7.1.12 Local Date and Time state

Local Date and Time: 3.2.7 WAI-ARIA; 4.10.7 The input element (2); 4.10.7.1.7 Date and Time state; 4.10.7.1.12 Local Date and Time state (2)

Location: 3.1.1 Documents in the DOM; 5.2 The Window object; 5.4.3 The Location interface (2) (3) (4) (5) (6)

longdesc: ... on iframe elements; 10.2 Non-conforming features (2)

longdesc: ... on img elements; 10.2 Non-conforming features (2)

longDesc: ... IDL attribute of the frame element must reflect the element's longdesc content attribute, which for the purposes of reflection is defined as containing a URL.; 10.2 Non-conforming features

longDesc: ... IDL attribute of the iframe element must reflect the element's ... content attribute, which for the purposes of reflection is defined as containing a URL.; 10.2 Non-conforming features

longDesc: ... IDL attribute of the img element must reflect the element's ... content attribute, which for the purposes of reflection is defined as containing a URL.; 10.2 Non-conforming features

loop: ... attribute is a boolean attribute that, if specified, indicates that the media element is to seek back to the start of the media resource upon reaching the end.; 4.8.6 The video element (2); 4.8.7 The audio element (2); 4.8.10 Media elements; 4.8.10.6 Offsets into the media resource (2); Elements (2); Attributes (2)

loop: ... IDL attribute must reflect the content attribute of the same name.; 4.8.10 Media elements; 4.8.10.6 Offsets into the media resource

low: ... attribute specifies the range that is considered to be the "low" part, and the high attribute specifies the range that is considered to be the "high" part. The optimum attribute gives the position that is "optimum"; if that is higher than the "high" value then this indicates that the higher the value, the better; if it's lower than the "low" mark then it indicates that lower values are better, and naturally if it is in between then it indicates that neither high nor low values are good.; 4.10.17 The meter element (2) (3) (4) (5) (6) (7); Elements; Attributes

low: *** min, max, ..., high, and optimum IDL attributes must reflect the respective content attributes of the same name.; 4.10.17 The meter element (2)

lower-alpha: 4.5.5 The ol element

lower-roman: 4.5.5 The ol element

lowsrc: 10.2 Non-conforming features

ltr: ... keyword, which maps to the ... state; 3.2.3.5 The dir attribute

ltr: ... keyword, which maps to the ... state; 3.2.3.5 The dir attribute (2)

ltr: *** The directionality of an element is either '...' or 'rtl', and is determined as per the first appropriate set of steps from the following list:; 3.2.3.5 The dir attribute (2) (3) (4); 4.6.24 The bdo element

top A B C D E F G H I J K L M N O P Q R S T U V W X end

main: 4.8.10.10.1 TrackList objects

manifest: 4.1.1 The html element (2) (3) (4); 4.2.3 The base element; Elements; Attributes

marginbottom: 10.2 Non-conforming features

marginheight: ... on body elements; 10.2 Non-conforming features

marginheight: ... on iframe elements; 10.2 Non-conforming features (2)

marginHeight: ... IDL attribute of the frame element must reflect the element's marginheight content attribute.; 10.2 Non-conforming features

marginHeight: ... IDL attribute of the iframe element must reflect the element's ... content attribute.; 10.2 Non-conforming features

marginleft: 10.2 Non-conforming features

marginright: 10.2 Non-conforming features

margintop: 10.2 Non-conforming features

marginwidth: ... on body elements; 10.2 Non-conforming features

marginwidth: ... on iframe elements; 10.2 Non-conforming features (2)

marginWidth: ... IDL attribute of the frame element must reflect the element's marginwidth content attribute.; 10.2 Non-conforming features

marginWidth: ... IDL attribute of the iframe element must reflect the element's ... content attribute.; 10.2 Non-conforming features

mark: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 4.6 Text-level semantics; 4.6.17 The b element; 4.6.18 The u element; 4.6.19 The mark element (2) (3) (4) (5) (6) (7) (8); 4.6.28 Usage summary; 10.2 Non-conforming features; Elements; Element content categories (2); Interfaces

matches the environment: 2.4.9 Media queries

math: 3.2.5.1.2 Flow content; 3.2.5.1.5 Phrasing content; 3.2.5.1.6 Embedded content; 4.8.15 MathML; Element content categories (2) (3)

MathML namespace: 2.7 Namespaces; 4.8.15 MathML; 8.1.2 Elements

max: *** accept, alt, ..., min, multiple, pattern, placeholder, required, size, src, and step IDL attributes must reflect the respective content attributes of the same name. The dirName IDL attribute must reflect the dirname content attribute. The readOnly IDL attribute must reflect the readonly content attribute. The defaultChecked IDL attribute must reflect the checked content attribute. The defaultValue IDL attribute must reflect the value content attribute.; 4.10.7 The input element (2)

max: *** min and ... attributes indicate the allowed range of values for the element.; 4.10.1.1 Writing a form's user interface; 4.10.7 The input element (2) (3); 4.10.7.1.1 Hidden state; 4.10.7.1.2 Text state and Search state; 4.10.7.1.3 Telephone state; 4.10.7.1.4 URL state; 4.10.7.1.5 E-mail state; 4.10.7.1.6 Password state; 4.10.7.1.7 Date and Time state (2); 4.10.7.1.8 Date state (2); 4.10.7.1.9 Month state (2); 4.10.7.1.10 Week state (2); 4.10.7.1.11 Time state (2); 4.10.7.1.12 Local Date and Time state (2); 4.10.7.1.13 Number state (2); 4.10.7.1.14 Range state (2); 4.10.7.1.15 Color state; 4.10.7.1.16 Checkbox state; 4.10.7.1.17 Radio Button state; 4.10.7.1.18 File Upload state; 4.10.7.1.19 Submit Button state; 4.10.7.1.20 Image Button state; 4.10.7.1.21 Reset Button state; 4.10.7.1.22 Button state; 4.10.7.2.10 The min and max attributes (2) (3); Elements; Attributes

max: *** value attribute specifies how much of the task has been completed, and the ... attribute specifies how much work the task requires in total. The units are arbitrary and not specified.; 4.10.16 The progress element (2) (3) (4) (5) (6) (7); Elements; Attributes

max: ... IDL attribute must reflect the content attribute of the same name. The default value for max is 1.0.; 4.10.16 The progress element (2) (3)

max: *** min attribute specifies the lower bound of the range, and the ... attribute specifies the upper bound. The value attribute specifies the value to have the gauge indicate as the "measured" value.; 4.10.17 The meter element (2) (3) (4); Elements; Attributes

max: *** min, ..., low, high, and optimum IDL attributes must reflect the respective content attributes of the same name.; 4.10.17 The meter element (2)

maximum allowed value length: 4.10.7.2.8 The maxlength attribute (2); 4.10.13 The textarea element (2); 4.10.19.4 Limiting user input length (2)

maxLength: *** autocomplete and type IDL attributes must reflect the respective content attributes of the same name, limited to only known values. The ... IDL attribute must reflect the maxlength content attribute, limited to only non-negative numbers.; 4.10.7 The input element (2)

maxlength: ... attribute is a form control maxlength attribute controlled by the textarea element's dirty value flag.; 4.10.13 The textarea element (2) (3) (4); Elements; Attributes

maxLength: *** cols, placeholder, required, rows, and wrap attributes must reflect the respective content attributes of the same name. The cols and rows attributes are limited to only non-negative numbers greater than zero. The cols attribute's default value is 20. The rows attribute's default value is 2. The dirName IDL attribute must reflect the dirname content attribute. The ... IDL attribute must reflect the ... content attribute, limited to only non-negative numbers. The readOnly IDL attribute must reflect the readonly content attribute.; 4.10.13 The textarea element (2)

media: ... attribute says which media the resource applies to. The value must be a valid media query.; 4.2.4 The link element (2) (3) (4); Elements; Attributes

media: *** href, rel, ..., hreflang, and type, and sizes each must reflect the respective content attributes of the same name.; 4.2.4 The link element (2)

media: ... attribute says which media the styles apply to. The value must be a valid media query.; 4.2.6 The style element (2) (3); Elements; Attributes

media: ..., type and scoped IDL attributes must reflect the respective content attributes of the same name.; 4.2.6 The style element (2)

media: *** href, target, rel, ..., hreflang, and type, must reflect the respective content attributes of the same name.; 4.6.1 The a element (2)

media: ... attribute gives the intended media type of the media resource, to help the user agent determine if this media resource is useful to the user before fetching it. Its value must be a valid media query.; 4.8.8 The source element (2); Elements; Attributes

media: *** src, type, and ... must reflect the respective content attributes of the same name.; 4.8.8 The source element (2)

media: *** alt, coords, href, target, rel, ..., hreflang, and type, each must reflect the respective content attributes of the same name.; 4.8.13 The area element (2)

media: ... attribute describes for which media the target document was designed. It is purely advisory. The value must be a valid media query. The default, if the media attribute is omitted, is "all".; 4.6.1 The a element (2); 4.8.13 The area element (2); 4.12.2 Links created by a and area elements (2); 4.12.3.1 Link type "alternate" (2) (3); Elements (2); Attributes (2)

media data: 4.8.6 The video element; 4.8.7 The audio element; 4.8.10 Media elements; 4.8.10.7 The ready states; 4.8.10.15 Event summary (2) (3) (4) (5) (6) (7) (8) (9)

media element attributes: 4.8.6 The video element; 4.8.7 The audio element; 4.8.10 Media elements

media-resource-specific text track: 4.8.10.12.1 Text track model; 4.8.10.12.2 Sourcing in-band text tracks

MEDIA_ERR_ABORTED: 4.8.10.1 Error codes (2); 4.8.10.15 Event summary

MEDIA_ERR_DECODE: 4.8.10.1 Error codes (2)

MEDIA_ERR_NETWORK: 4.8.10.1 Error codes (2); 4.8.10.15 Event summary

MEDIA_ERR_SRC_NOT_SUPPORTED: 4.8.10.1 Error codes (2)

MediaError: 4.8.10 Media elements; 4.8.10.1 Error codes (2)

mediagroup: ... content attribute on media elements can be used to link multiple media elements together by implicitly creating a MediaController.; 4.8.6 The video element (2); 4.8.7 The audio element (2); 4.8.10 Media elements; 4.8.10.11.1 Introduction; 4.8.10.11.2 Media controllers; 4.8.10.11.3 Assigning a media controller declaratively (2) (3); Elements (2); Attributes (2)

mediaGroup: ... IDL attribute on media elements must reflect the ... content attribute.; 4.8.10 Media elements; 4.8.10.11.3 Assigning a media controller declaratively

meta: 2.2.1 Extensibility; 3.2.5.1.1 Metadata content; 3.2.7 WAI-ARIA; 4.2.5 The meta element (2) (3) (4) (5) (6)