在此页

• 句法
• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

onstorage 特性为 WindowEventHandlers 混合 EventHandler 为处理 storage 事件。

storage event fires when a storage area has been changed in the context of another document.

句法

 window.onstorage = functionRef;
					

值

functionRef is a function name or a 函数表达式 . This function receives a StorageEvent as its sole argument.

范例

This example logs the value for a storage key whenever it changes in another document.

window.onstorage = function(e) {
  console.log('The ' + e.key +
    ' key has been changed from ' + e.oldValue +
    ' to ' + e.newValue + '.');
};
					

规范

规范	状态	注释
HTML 实时标准 The definition of 'onstorage' in that specification.	实时标准

浏览器兼容性

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. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
onstorage	Chrome 1	Edge ≤18	Firefox 45	IE ?	Opera 15	Safari ?	WebView Android ≤37	Chrome Android 18	Firefox Android 45	Opera Android 14	Safari iOS ?	Samsung Internet Android 1.0

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

另请参阅

• Window: storage event

元数据

• 最后修改： Apr 26, 2019

相关话题

1. WindowEventHandlers
2. 特性

   1. onafterprint
   2. onbeforeprint
   3. onbeforeunload
   4. onhashchange
   5. onlanguagechange
   6. onmessage
   7. onmessageerror
   8. onpopstate
   9. onrejectionhandled
   10. onstorage
   11. onunhandledrejection
   12. onunload
3. 实现通过：

   1. HTMLBodyElement
   2. HTMLFrameSetElement
   3. Window