June 2012
Intermediate to advanced
278 pages
7h 37m
English
Content preview from Pro JavaScript for Web Apps
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C H A P T E R 4
Using URL Routing
In this chapter, I will show you how to add another server-side concept to your web app: URL routing. The idea behind URL routing is very simple: we associate JavaScript functions with internal URLs. An internal URL is one that is relative to the current document and contains a hash fragment. In fact, they are usually expressed as just the hash fragment on its own, such as #summary.
Under normal circumstances, when the user clicks a link that points to an internal URL, the browser will see whether there is an element in the document that has an id attribute value that matches the fragment and, if there is, scroll to make that element visible.
When we use URL routing, we respond to these navigation changes by ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.