HashChangeEvent.oldURL

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;

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

规范	状态	注释
HTML Living Standard HashChangeEvent: oldURL	Living Standard