Chapter 7: Offline

Remy Sharp

HOW MANY TIMES have I been working on a train, desperately trying to get a 3G connection with my cheap dongle, and failed to navigate a web application because we went into a tunnel (and thus lost all connectivity)? A lot, that’s how many. Computing with no Internet or with a choppy connection has always been common with mobile computing, but now you are more likely to be trying to work in a hosted application. Sometimes, you may simply chose to go offline, what then? As we become more mobile with our computers, being able to use a website outside of reception becomes more and more important.

We’re used to creating web apps that rely absolutely on the Web. Our websites run in browsers, which are designed to be a ...

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