Permitted content #

Permitted attributes #

Descriptions for attributes specific to this element #

value = float

The “measured” value shown by meter.

min = float

The lower bound of the range for the meter.

low = float

The point that marks the upper boundary of the “low” segment of the meter.

high = float

The point that marks the lower boundary of the “high” segment of the meter.

max = float

The upper bound of the range for the meter.

optimum = float

The point that marks the “optimum” position for the meter.

Additional constraints and admonitions #

• The element meter must not appear as a descendant of the meter element.
• The value of the min attribute must be less than or equal to the value of the value attribute.
• The value of the value attribute must be greater than or equal to zero when the min attribute is absent.
• The value of the value attribute must be less than or equal to the value of the max attribute.
• The value of the value attribute must be less than or equal to one when the max attribute is absent.
• The value of the min attribute must be less than or equal to the value of the max attribute.
• The value of the max attribute must be greater than or equal to zero when the min attribute is absent.
• The value of the min attribute must be less than or equal to one when the max attribute is absent.
• The value of the min attribute must be less than or equal to the value of the low attribute.
• The value of the low attribute must be greater than or equal to zero when the min attribute is absent.
• The value of the min attribute must be less than or equal to the value of the high attribute.
• The value of the high attribute must be greater than or equal to zero when the min attribute is absent.
• The value of the low attribute must be less than or equal to the value of the high attribute.
• The value of the high attribute must be less than or equal to the value of the max attribute.
• The value of the high attribute must be less than or equal to one when the max attribute is absent.
• The value of the low attribute must be less than or equal to the value of the max attribute.
• The value of the low attribute must be less than or equal to one when the max attribute is absent.
• The value of the min attribute must be less than or equal to the value of the optimum attribute.
• The value of the optimum attribute must be greater than or equal to zero when the min attribute is absent.
• The value of the optimum attribute must be less than or equal to the value of the max attribute.
• The value of the optimum attribute must be less than or equal to one when the max attribute is absent.

Permitted parent elements #

any element that can contain phrasing elements

DOM interface #

interface HTMLMeterElement : HTMLElement {
           attribute float value;
           attribute float min;
           attribute float max;
           attribute float low;
           attribute float high;
           attribute float optimum;
  readonly attribute HTMLFormElement form;
  readonly attribute NodeList labels;
};

Typical default display properties #