HTML <fieldset> form Attribute
HTML <fieldset> tag
Example
A <fieldset> element located outside a form (but still a part of the form):
<form action="demo_form.asp" method="get" id="form1">
What is your favorite color? <input type="text" name="fav_color"><br>
<input type="submit">
</form>
<fieldset form="form1">
Name: <input type="text" name="username"><br>
Email: <input type="text" name="usermail"><br>
</fieldset>
Try it yourself »
Browser Support

The form attribute is currently only supported in Opera.
Definition and Usage
The form attribute specifies one or more forms the fieldset belongs to.
Differences Between HTML 4.01 and HTML5
The form attribute is new in HTML5.
Syntax
<fieldset form="form_id">
Attribute Values
| Value |
Description |
| form_id |
Specifies a space-separated list of id's to one or more forms the fieldset belongs to |
HTML <fieldset> tag
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