Baseline Widely available
The <meter>
HTML element represents either a scalar value within a known range or a fractional value.
<label for="fuel">Fuel level:</label>
<meter id="fuel" min="0" max="100" low="33" high="66" optimum="80" value="50">
at 50/100
</meter>
label {
padding-right: 10px;
font-size: 1rem;
}
Attributes
This element includes the global attributes.
value
The current numeric value. This must be between the minimum and maximum values (min
attribute and max
attribute) if they are specified. If unspecified or malformed, the value is 0
. If specified, but not within the range given by the min
attribute and max
attribute, the value is equal to the nearest end of the range.
Note: Unless the value
attribute is between 0
and 1
(inclusive), the min
and max
attributes should define the range so that the value
attribute's value is within it.
min
The lower numeric bound of the measured range. This must be less than the maximum value (max
attribute), if specified. If unspecified, the minimum value is 0
.
max
The upper numeric bound of the measured range. This must be greater than the minimum value (min
attribute), if specified. If unspecified, the maximum value is 1
.
low
The upper numeric bound of the low end of the measured range. This must be greater than the minimum value (min
attribute), and it also must be less than the high value and maximum value (high
attribute and max
attribute, respectively), if any are specified. If unspecified, or if less than the minimum value, the low
value is equal to the minimum value.
high
The lower numeric bound of the high end of the measured range. This must be less than the maximum value (max
attribute), and it also must be greater than the low value and minimum value (low
attribute and min
attribute, respectively), if any are specified. If unspecified, or if greater than the maximum value, the high
value is equal to the maximum value.
optimum
This attribute indicates the optimal numeric value. It must be within the range (as defined by the min
attribute and max
attribute). When used with the low
attribute and high
attribute, it gives an indication where along the range is considered preferable. For example, if it is between the min
attribute and the low
attribute, then the lower range is considered preferred. The browser may color the meter's bar differently depending on whether the value is less than or equal to the optimum value.
form
This optional attribute is used to explicitly set a <form>
owner for the <meter>
element. If omitted, the <meter>
is associated with its ancestor <form>
element or the form association set by the form
attribute on another ancestor element, such as on a <fieldset>
, if any. If included, the value must be the id
of a <form>
in the same tree.
<p>Battery level: <meter min="0" max="100" value="75">75%</meter></p>
Result High and low range example
Note that in this example the min
attribute is omitted. This is allowed, as it will default to 0
.
<p>
Student's exam score:
<meter min="0" low="50" high="80" max="100" value="84">84%</meter>
</p>
Result Technical Summary Specifications Browser compatibility See also
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.3