User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:8.0) Gecko/20100101 Firefox/8.0 Build ID: 20111104165243 Steps to reproduce: I provide the following manifest example to a html5 file: CACHE MANIFEST CACHE: offline.jpg FALLBACK: image.jpg offline.jpg Actual results: when the firefox is online i see the image.jpg. when the firefox is offline i see a cached version of the image.jpg Expected results: when the firefox is online i see the image.jpg. when the firefox is offline i should see the offline.jpg
Is this still an issue for you?
still doesn't work in FF 25.0.1
I am not sure this is how FALLBACK works.. actually what the spec is saying is that if the resource is not available (aka 404) then load the fallback, otherwise show whats cached. Maybe you can trigger it by putting image.jpg into the NETWORK section, so it has to fetch it.. Had this problem too while working on an offline app.. seems there is no way to force Firefox to load a specific resource when its offline. :(
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