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onunload Event

Complete Event Object Reference

Definition and Usage

The onunload event occurs when a user exits a page.

Syntax

onunload="SomeJavaScriptCode"

Parameter	Description
SomeJavaScriptCode	Required. Specifies a JavaScript to be executed when the event occurs.

Supported by the following HTML tags:

Supported by the following JavaScript objects:

window

Example

In this example an alert box will be displayed when the page is closed:

Complete Event Object Reference

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