HTML onsubmit Event Attribute HTML Reference


Execute a JavaScript when a form is submitted:

<form action="my_form.php" onsubmit="checkForm()">

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

1. Definition and Usage

The onsubmit attribute fires when a form is submitted.

The onsubmit attribute is only used within: <form>.

2. Differences Between HTML 4.01 and HTML5


3. Syntax

<element onsubmit="script">

4. Attribute Values

scriptThe script to be run on onsubmit

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