HTML <fieldset> form Attribute

The HTML <fieldset> tag

Definition and Usage

form This attribute specifies the form to which the fieldset belongs.

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

Example

The <fieldset> element outside the form (but still 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>Personal Information:</legend>
  <label for="fname">Name:</label>
  <input type="text" id="fname" name="fname" form="form1"><br><br>
  <label for="lname">Surname:</label>
  <input type="text" id="lname" name="lname" form="form1">
</fieldset>

Try It Yourself

Syntax

<fieldset form="form_id">

Attribute Value

Value Description
form_id

Specifies the form element to which the <fieldset> element belongs.

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

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support Support Support Support Support

Note:form Attributes are new properties in HTML5.

The HTML <fieldset> tag