Window: caches property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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

Value

A CacheStorage object.

Examples

The following example shows how a window can retrieve cached data.

js
caches.open("v1").then((cache) => cache.match("/list"));

Specifications

Specification
Service Workers Nightly
# self-caches

Browser compatibility

desktop mobile server
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
caches
Chrome – Full support
Chrome 40 (Release date: 2015-01-21)
footnote Full support
Edge – Full support
Edge 16 (Release date: 2017-10-17)
footnote Full support
Firefox – Full support
Firefox 41 (Release date: 2015-09-22)
footnote Full support
Opera – Full support
Opera 27 (Release date: 2015-01-27)
footnote Full support
Safari – Full support
Safari 11.1 (Release date: 2018-04-12)
footnote Full support
Chrome Android – Full support
Chrome Android 40 (Release date: 2015-01-21)
footnote Full support
Firefox for Android – Full support
Firefox for Android 41 (Release date: 2015-09-22)
footnote Full support
Opera Android – Full support
Opera Android 27 (Release date: 2015-01-29)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 40 (Release date: 2015-01-21)
footnote Full support
WebView on iOS – Full support
WebView on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Deno – Full support
Deno 1.26 (Release date: 2022-09-29)
footnote Full support
Secure context required
Chrome – Full support
Chrome 65 (Release date: 2018-03-06)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 103 (Release date: 2022-07-26)
footnote Full support
Opera – Full support
Opera 52 (Release date: 2018-03-22)
footnote Full support
Safari – Full support
Safari 11.1 (Release date: 2018-04-12)
footnote Full support
Chrome Android – Full support
Chrome Android 65 (Release date: 2018-03-06)
footnote Full support
Firefox for Android – Full support
Firefox for Android 103 (Release date: 2022-07-26)
footnote Full support
Opera Android – Full support
Opera Android 47 (Release date: 2018-07-23)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Samsung Internet – Full support
Samsung Internet 9 (Release date: 2018-09-15)
footnote Full support
WebView Android – Full support
WebView Android 65 (Release date: 2018-03-06)
footnote Full support
WebView on iOS – Full support
WebView on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Deno – No support
Deno
footnote No support
Available in workers
Chrome – Full support
Chrome 40 (Release date: 2015-01-21)
footnote Full support
Edge – Full support
Edge 16 (Release date: 2017-10-17)
footnote Full support
Firefox – Full support
Firefox 41 (Release date: 2015-09-22)
footnote Full support
Opera – Full support
Opera 27 (Release date: 2015-01-27)
footnote Full support
Safari – Full support
Safari 11.1 (Release date: 2018-04-12)
footnote Full support
Chrome Android – Full support
Chrome Android 40 (Release date: 2015-01-21)
footnote Full support
Firefox for Android – Full support
Firefox for Android 41 (Release date: 2015-09-22)
footnote Full support
Opera Android – Full support
Opera Android 27 (Release date: 2015-01-29)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 40 (Release date: 2015-01-21)
footnote Full support
WebView on iOS – Full support
WebView on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Deno – Full support
Deno 1.26 (Release date: 2022-09-29)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also