HashChangeEvent：oldURL 属性
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
HashChangeEvent 接口的 oldURL 只读属性返回窗口导航前的先前 URL。
值
字符串。
示例
js
window.addEventListener("hashchange", (event) => {
console.log(`哈希已从 ${event.oldURL} 更改`);
});
规范
| Specification |
|---|
| HTML # dom-hashchangeevent-oldurl-dev |