HTML <button> form Attribute
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>
Try it Yourself »
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
