HashChangeEvent oldURL Property

When the hash has been changed, get the URL we navigated away from:

event.oldURL;

The result could be:

https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onhashchange

Description

The oldURL property returns the URL of the document, before the hash (anchor part) was changed.

This is the URL that was navigated away from. To get the URL that was navigated to, use the newURL property.

This property is read-only.

Tip: To set or return the hash of a URL, use the location.hash property.

event.oldURL

Return Value:	A String, representing the URL that was navigated from

event.oldURL is a DOM Level 4 (2015) feature.

It is supported in all modern browsers:


Chrome	Edge	Firefox	Safari	Opera
Yes	Yes	Yes	Yes	Yes

event.oldURL is not supported in Internet Explorer 11 (or earlier).