Chapter 15. CSS, JavaScript, and Ajax
One of the definitive technologies of Web 2.0 is Ajax, which means Asynchronous JavaScript and XML and allows the browser to communicate with a server without needing to refresh the page the user is viewing. Interestingly, Ajax doesn't necessarily need to use JavaScript or XML, so it is only the Asynchronous part of the name that is the truly important aspect of the technology.
The world of JavaScript web frameworks is changing as fast now as the world of Python web frameworks was five years ago. Early versions of Pylons officially supported the Prototype and Script.aculo.us libraries used by Ruby on Rails, but despite this, Pylons users actually used a range of JavaScript frameworks. Two things quickly became ...
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