No description, website, or topics provided.
Switch branches/tags
Nothing to show
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Failed to load latest commit information.

Experiments in HTML5 Appcache

Can't seem to get much joy out of navigator.onLine on Chrome or Firefox on Desktops.

However on Android, trigger Airplane mode quickly makes it change to a red border colour.

Demo site:

Test cache idea

Load large file in the background to play back later. Play it back by going offline and going to a random URL on the site to trigger fallback.


Does not seem to want to download mvi_5948.ogg

Application Cache Error event: Resource fetch failed (-1)

Is there a limit? Is 71M too large?

It's there and ready to download:

$ curl -I
HTTP/1.1 200 OK
Date: Thu, 01 Mar 2012 05:24:40 GMT
Server: Apache/2.4.1 (Unix)
Last-Modified: Mon, 27 Jul 2009 22:58:05 GMT
ETag: "46d7ef2-46fb7e3007940"
Accept-Ranges: bytes
Content-Length: 74284786
Cache-Control: max-age=0
Expires: Thu, 01 Mar 2012 05:24:40 GMT
Content-Type: audio/ogg


Can't understand how to debug network in Firefox 10. Doesn't seem to download OGG in background as expected to. :(

Work around for triggering offline mode in Firefox is the "Work Offline" mode from the File menu.