Permitted content #

Permitted attributes #

Descriptions for attributes specific to this element #

autoplay = "autoplay" or "" (empty string) or empty

Instructs the UA to automatically begin playback of the video as soon as it can do so without stopping.

preload = "preload" or "" (empty string) or empty

Instructs the UA that the author believes that downloading the entire video optimistically will be worthwhile.

controls = "controls" or "" (empty string) or empty

Instructs the UA to expose a user interface for controlling playback of the video.

loop = "loop" or "" (empty string) or empty

Instructs the UA to seek back to the start of the video upon reaching the end.

poster = URI

The address of an image file for the UA to show while no video data is available.

height = positive integer

The height of the video, in CSS pixels.

width = positive integer

The width of the video, in CSS pixels.

src = URI

The URL for the video.

Additional constraints and admonitions #

• The interactive element video with the attribute controls must not appear as a descendant of the a element.
• The interactive element video with the attribute controls must not appear as a descendant of the button element.

Permitted parent elements #

any element that can contain phrasing elements, any element that can contain flow elements

DOM interface #

interface HTMLVideoElement : HTMLMediaElement {
           attribute DOMString width;
           attribute DOMString height;
  readonly attribute unsigned long videoWidth;
  readonly attribute unsigned long videoHeight;
           attribute DOMString poster;
};