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 GitHubdesktop | mobile | server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
clear |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.