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WindowEventHandlers.onstorage

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The WindowEventHandlers.onstorage property contains an event handler that runs when the storage event fires. This occurs when a storage area is changed (e.g. a new item is stored.)

Syntax

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

Examples

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

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'onstorage' in that specification.
Living Standard  

Browser compatibility

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) ? ? ? ? ?

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