Example
An input field located outside the HTML form (but still a part of the form):
<form action="demo_form.asp" id="form1">
First name: <input type="text" name="fname"><br>
<input type="submit" value="Submit">
</form>
Last name: <input type="text" name="lname" form="form1">
Try it Yourself »
Definition and Usage
The form attribute specifies one or more forms the <input> element belongs to.
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| form | 9.0 | Not supported | 4.0 | 5.1 | 10.6 |
Differences Between HTML 4.01 and HTML5
The form attribute is new in HTML5.
Syntax
<input form="form_id">
Attribute Values
| Value | Description |
|---|---|
| form_id | Specifies the form element the <input> element belongs to. The value of this attribute must be the id attribute of a <form> element in the same document. |