onunload Event
 Event Object
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:
Example
Example
In this example an alert box will be displayed when the page is closed:
<body onunload="alert('The onunload event was triggered')">
</body>
|
Try it yourself »
|
Event Object
Start Creating a stunning, Flash website. It's easy and free!
Wix.com offers you a simple, powerful, drag & drop editing platform to create stunning Flash websites, layouts, and more.
With added e-commerce features such as search engine visibility and professional tools, Wix is the ultimate solution for creating a spectacular site.
 |
W3Schools' Online Certification Program
The perfect solution for professionals who need to balance work, family, and career building.
More than 4500 certificates already issued!
|
The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.
The XML Certificate documents your knowledge of XML, XML DOM and XSLT.
The ASP Certificate documents your knowledge of ASP, SQL, and ADO.
The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
| 
