HTML Referenzhandbuch

Vollständige Liste der HTML-Tags

HTML onunload-Ereignisattribut

Wenn die Seite geschlossen wird, wird das unload-Ereignis ausgelöst.

Online-Beispiel

Führen Sie JavaScript aus, wenn das Dokument vom Benutzer deinstalliert wird:

Beispiel

!DOCTYPE　html>
<html>
<meta　charset="utf-8">　
<title>Grundausbildung(oldtoolbag.com)</title>
<head>
<script>
function　say_goodbye()
{
　　　　alert("Vielen Dank, dass Sie die Grundausbildung besucht haben(oldtoolbag.com)。
}
</script>
</head>
<body onunload="say_goodbye()">
<h1>Welcome to my homepage</h1>
<p>Closing the window or pressing F5　Refresh the page.</p>
</body>
</html>

Test it out ‹/›

Browser Compatibility

IEFirefoxOperaChromeSafari

All major browsers support the onunload event attribute

Definition and Usage

The onunload attribute is triggered after the page (or browser window) is unloaded.

onunload occurs when the user navigates away from the page (by clicking a link, submitting a form, closing the browser window, etc.).
Note: If the page is reloaded, the onunload event (and onload event) will also be triggered.

HTML 4.01 and HTML5differences between

No difference.

Syntax

<element onunload="script">

Attribute Value

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

HTML Event Attributes

HTML: <template> Tag