WindowEventHandlers.onstorage

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WindowEventHandlers.onstorage 属性包含一个在storage事件触发时的事件句柄。 

注意:该事件不在导致数据变化的当前页面触发(如果浏览器同时打开一个域名下面的多个页面,当其中的一个页面改变 sessionStoragelocalStorage 的数据时,其他所有页面的  storage  事件会被触发,而原始页面并不触发 storage 事件)

语法

windowObj.onstorage = function() { ... };

用例

window.onstorage = function(e) {
  console.log( e.key + ' 键已经从 ' + e.oldValue + ' 改变为 ' + e.newValue + '.');
};

说明书

Specification Status Comment
HTML Living Standard
onstorage
Living Standard

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? 45 (45) ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support ? ? 45.0 (45) ? ? ? ? ?