Important: Application Cache is deprecated as of Firefox 44, and is no longer available in insecure contexts from Firefox 60 onwards (bug 1354175, currently Nightly/Beta only). Don't use it to offline websites — consider using service workers instead.


Returns a reference to the application cache object for the window.


cache = window.applicationCache 


  • cache is an object reference to an OfflineResourceList.


See also

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Contributors to this page: chrisdavidmills, Sheppy, fscholz, teoli, ethertank, Jeremie, ebidel, Mgjbot, Kohei
Last updated by: chrisdavidmills,