window.onunload

« Referencia DOM

Test Summary

The unload event is raised when the document is unloaded.

Syntax

window.onunload = funcRef;
  • funcRef is a reference to a function.

Example

<html>
<head>

<title>onunload test</title>

<script type="text/javascript">

window.onunload = unloadPage;

function unloadPage()
{
 alert("unload event detected!");
}
</script>
</head>

<body>
<p>Reload a new page into the browser<br />
 to fire the unload event for this page.</p>
<p>You can also use the back or forward buttons<br />
 to load a new page and fire this event.</p>
</body>
</html>

Notes

Note that using this event handler in your page prevents Firefox 1.5 from caching the page in the in-memory bfcache. See Using Firefox 1.5 caching for details.

Browsers equipped with pop-up window blockers will ignore all window.open() method calls in onunload event handler functions.

Specification

DOM Nivel 0. No es parte de ninguna norma.

Etiquetas y colaboradores del documento

Colaboradores de esta página: Sheppy
Última actualización por: Sheppy,