HTML onsubmitEvent Attributes

HTML 事件属性HTML Event Attributes

Examples

Run a script when a form is submitted:

<form action="demo_form.html" onsubmit="checkForm()">

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Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the onsubmit event attribute.

Definition and Usage

The onsubmit attribute triggers when a form is submitted.

The onsubmit attribute only applies to the <form> element.

Differences Between HTML 4.01 and HTML5

None.

Syntax

<form onsubmit="script">

Attribute Values

Value Description
script Specifies the script to be executed when the onsubmit event is triggered.

HTML 事件属性HTML Event Attributes Other Extensions