HashChangeEvent: oldURL property - Web APIs | MDN (original) (raw)

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.

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

Value

A string.

Examples

js

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

Specifications

Browser compatibility