HashChangeEvent: oldURL property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

The oldURL read-only property of the HashChangeEvent interface returns the previous URL from which the window was navigated.

Value

A string.

window.addEventListener("hashchange", (event) => {
 console.log(`Hash changed from ${event.oldURL}`);
});

Specification
HTML # dom-hashchangeevent-oldurl-dev

This page was last modified on ⁨Apr 7, 2023⁩ by MDN contributors.