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Hi folks.I'm working with Ajax. But I need to dig into it more deeply.I havn't found suitable reference book yet.Could you recommend a book?Thanks.

Hi there.I made a XMLHttpReqeust object and send a request, and then it failed with 404 error.So, what's happend to it? beacuse after it fail, I couldn't see same result using that object.To do same thing, do I have to reinitialise XMLHttpRequest Object again?Thanks for your reply in advance.