HTML <output> forAttribute
Examples
Display the calculation result in the <output> element:
<form oninput="x.value=parseInt(a.value)+parseInt(b.value)">0
<input type="range" id="a" value="50">100
+<input type="number" id="b" value="50">
=<output name="x" for="a b"></output>
</form>
<input type="range" id="a" value="50">100
+<input type="number" id="b" value="50">
=<output name="x" for="a b"></output>
</form>
Try it Yourself »
Browser Support
Firefox, Opera, Chrome and Safari browsers support the for attribute.
Note:Internet Explorer browser does not support the <output> tag.
Definition and Usage
The for attribute specifies the relationship between the elements used in the calculation and the calculation result.
Differences between HTML 4.01 and HTML5
The <output> tag is a new tag in HTML5.
Syntax
<output for="element_id">
Attribute Values
| Value | Description |
|---|---|
| element_id | Specifies a space-separated list of one or more element ids. These elements describe the relationship between the elements used in the calculation and the calculation result. |
HTML <output> Tag Other Extensions