Chapter 23Offline Apps: Application Cache
Application Cache―“AppCache” for short―provides a way to save the
assets of an application locally so that they can be used without an
internet connection. It’s especially well-suited to “single-page”
applications that are JavaScript-driven and use local data stores such as
localStorage
and IndexedDB.
AppCache consists of two parts: the plain text file known as a manifest, and a DOM interface for scripting and help managing updates. By the end of this chapter, you’ll know how to write a cache manifest file, how to manage updates, and some of the aspects to watch out for when using this API.
Note: AppCache in IE
Application Cache is not supported in Internet Explorer 9 or below. You’ll need to use version ...
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