HashChangeEvent: oldURL プロパティ

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.

oldURLHashChangeEvent インターフェイスの読み取り専用プロパティで、ウィンドウが移動する前の URL を返します。

文字列です。

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

仕様書

Specification
HTML Standard
# dom-hashchangeevent-oldurl-dev

ブラウザーの互換性

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