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HTML <input> form Attribute

❮ HTML <input> tag


An input field located outside the HTML form (but still a part of the form):

<form action="/action_page.php" id="form1">
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname"><br><br>
  <input type="submit" value="Submit">

<label for="lname">Last name:</label>
<input type="text" id="lname" name="lname" form="form1">
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Definition and Usage

The form attribute specifies the form the <input> element belongs to.

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

form Yes Yes Yes 5.1 10.6


<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.

❮ HTML <input> tag