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HTML <output> form Attribute

HTML output Tag Reference 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

<output form="form_id">

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 Reference HTML <output> tag

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