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HTML <button> form Attribute

❮ HTML <button> tag

Example

A button located outside a form (but still a part of the form):

<form action="/action_page.php" method="get" id="form1">
<label for="fname">First name:</label>
<input type="text" id="fname" name="fname"><br><br>
<label for="lname">Last name:</label>
<input type="text" id="lname" name="lname">
</form>

<button type="submit" form="form1" value="Submit">Submit</button>
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Definition and Usage

The form attribute specifies the form the button belongs to.

The value of this attribute must be equal to the id attribute of a <form> element in the same document.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
form 10.0 16.0 4.0 5.1 9.5

Syntax

<button form="form_id">

Attribute Values

Value Description
form_id Specifies the form element the <button> element belongs to. The value of this attribute must be the id attribute of a <form> element in the same document.

❮ HTML <button> tag