HTML <output> form Attribute
HTML <output> tag
Example
An <output> element located outside a form (but still a part of the form):
<form action="demo_form.asp" id="numform"
oninput="x.value=parseInt(a.value)+parseInt(b.value)">0
<input type="range" id="a" name="a" value="50">100
+<input type="number" id="b" name="b" value="50">
<br><br>
<input type="submit">
</form>
<output form="numform" name="x" for="a b"></output>
Try it yourself »
Definition and Usage
The form attribute specifies one or more forms the <output> element belongs to.
Browser Support
Attribute |
|
|
|
|
|
form |
Not supported |
Not supported |
Not supported |
Not supported |
Not supported |
Differences Between HTML 4.01 and HTML5
The <output> tag is new in HTML5.
Syntax
Attribute Values
Value |
Description |
form_id |
Specifies the form element the <output> element belongs to.
The value of this attribute must be the id attribute of a <form> element
in the same document. |
HTML <output> tag
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