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What is fallback in Application cache?

user-image
تم إضافة السؤال من قبل Feras Abualrub , Web Solutions Manager , Qistas for Information Technology
تاريخ النشر: 2015/04/23
Arsalan Hussain
من قبل Arsalan Hussain , Information Technology and System Audit Senior , Meezan Bank Limited

It's an optional section specifying fallback pages if a resource is inaccessible. The first URI is the resource, the second is the fallback used if the network request fails or errors. Both URIs must from the same origin as the manifest file. You can capture specific URLs but also URL prefixes. "images/large/" will capture failures from URLs such as "images/large/whatever/img.jpg".

Reference:

http://www.html5rocks.com/en/tutorials/appcache/beginner/

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