Where to start to learning Ajax? [closed]

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I want to start learning Ajax, but I don't know how to start to learn and find a good teaching materia开发者_如何学Pythonl, can anyone help me? Thank you.

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My suggestion:

1 - Learn what AJAX means. Here you have the wikipedia definition
2 - Review some real applications so you'll understand what you could do with this technology. Google is your friend.
3 - Implement a "hello world" application using the very basic principles so you have a close contact, at least for one time, with the core forces behind AJAX.
4 - Play a little with any well known javascript framework with AJAX support. jQuery would be perfect as other people suggest.

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The base of ajax is the object XMLHTTPRequest.

So, you could learn the W3C specification here and a tutorial at w3schools.

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EDIT

Probably you use a framework, so learn about jQuery ajax.

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Personally, I think you should try to do some simple AJAX requests and such without using a library such as JQuery. Just use XMLHTTPRequest, and do some simple stuff. That way you'll understand what JQuery is doing underneath. If you're designing a site with a lot of AJAX, then you'll want to move over to something like JQuery, so you don't have to worry about cross-browser compatibility. However I think that understanding how things work underneath can be very useful, and if you're just doing a couple simple things with AJAX, can actually make the page a little more compact.

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if you are going to use ASP.NET and Ajax then its very simple to learn much of the things are there which you need, just visit http://www.asp.net/ajax and there you will get each and everything you need to for a startup.

if you are using it with php then use JQuery