This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The Window.caches read-only property returns the CacheStorage object associated with the current origin. This object enables service worker functionality such as storing assets for offline use, and generating custom responses to requests.


var myCacheStorage = window.caches;


Specification Status Comment
Service Workers Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 43.0 39 (39) No support ? No support
Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 43.0 (Yes) (Yes) (Yes) (Yes) 43.0

See also


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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

API caches CacheStorage Experimental Expérimental Property Reference Référence Service Workers ServiceWorker Window