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window.onunload

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An event handler for the unload event on the window.

Syntax

window.onunload = funcRef
 

Parameters

funcRef is a reference to a function.

Example

window.onunload = saveStuff;

Notes

The unload event is raised as one document is unloaded and another is about to be loaded into the browser.

Specification

DOM Level 0. Not part of specification.