Storage.clear()

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.

Storage 接口的 clear() 方法清除给定 Storage 对象中存储的所有键。

语法

js
clear()

参数

无。

返回值

无 (undefined)。

示例

下面的函数在本地存储里面创建三个数据项,然后使用 clear() 把它们全部移除。

js
function populateStorage() {
  localStorage.setItem("bgcolor", "red");
  localStorage.setItem("font", "Helvetica");
  localStorage.setItem("image", "miGato.png");

  localStorage.clear();
}

备注: 有关实际运行的例子,详见 Web Storage 演示

规范

Specification
HTML
# dom-storage-clear-dev

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
clear

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

相关链接