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HTML attribute: for

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.

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.

html

<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.

html

<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

See examples of usage on the element pages for <label> and <output>.

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 4.4 18 4 11 7 1.0
Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
for 1 12 1 Yes 15 ≤4 4.4 18 4 14 ≤3.2 1.0

html.elements.label.for

BCD tables only load in the browser

html.elements.output.for

BCD tables only load in the browser

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https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/for