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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 »

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The form attribute is not supported in any of the major browsers.


Definition and Usage

The form attribute specifies one or more forms the <output> element belongs to.


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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