HTML onhashchange Attribute

Definition and Usage

The onhashchange attribute fires when there has been changes to the anchor part (begins with a '#' symbol) of the current URL.

An example of what an anchor part actually is: Assume that the current URL is
http://www.example.com/test.htm#part2 - The anchor part of this URL would be #part2.

To invoke this event, you can:

Change the anchor part by setting the location.hash or location.href property of the Location Object
Navigate to the current page with a different bookmark (Use the "back" or "forward" buttons)
Click on a link to a bookmark anchor

Applies to

The onhashchange attribute is part of the Event Attributes, and can be used on the following element:

Elements	Event
<body>	onhashchange

Example

Execute a JavaScript when the anchor part has been changed:

Try it Yourself »

Browser Support

The numbers in the table specify the first browser version that fully supports the event attribute.

Event Attribute
onhashchange	5.0	8.0	3.6	5.0	10.6

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