HashChangeEvent.oldURL

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.

oldURL 为 HashChangeEvent 接口的只读属性，其值为窗口导航改变前的 URL。

语法

let oldEventUrl = event.oldURL;

返回值

DOMString.

示例

js
window.addEventListener("hashchange", function (event) {
  console.log("Hash changed from " + event.oldURL);
});

规范

Specification
HTML Standard
# dom-hashchangeevent-oldurl-dev