The for
attribute is an allowed attribute for <label>
and <output>
. When used on a <label>
element it indicates the form element that this label describes. When used on an <output>
element it allows for an explicit relationship between the elements that represent values which are used in the output.
HTML attribute: for
Usage
When used as an attribute of <label>
, the for
attribute has a value which is the id
of the form element it relates to.
<label for="username">Your name</label> <input type="text" id="username">
When used as an attribute of <output>
, the for
attribute has a value which is a space separated list of the id
values of the elements which are used to create the output.
<input type="range" id="b" name="b" value="50"> + <input type="number" id="a" name="a" value="10"> = <output name="result" for="a b">60</output>
Examples
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
for |
10
|
≤18
|
4
|
No
|
11
|
7
|
Yes
|
Yes
|
4
|
?
|
Yes
|
Yes
|
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
for |
Yes
|
12
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Support with label
BCD tables only load in the browser
Support with output
BCD tables only load in the browser
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https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/for