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HTML <fieldset> form Attribute

❮ HTML <fieldset> tag

Example

A <fieldset> element located outside a form (but still a part of the form):

<form action="/action_page.php" method="get" id="form1">
  <label for="favcolor">What is your favorite color?</label>
  <input type="text" id="favcolor" name="favcolor">
  <input type="submit">
</form>

<fieldset form="form1">
  <legend>Personalia:</legend>
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname" form="form1"><br><br>
  <label for="lname">Last name:</label>
  <input type="text" id="lname" name="lname" form="form1">
</fieldset>
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Definition and Usage

The form attribute specifies the form the fieldset belongs to.

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


Browser Support

Attribute
form Yes Yes Yes Yes Yes

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

❮ HTML <fieldset> tag