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Ajax is "asynchronous JavaScript and XML". That is a broad concept. As I understand there are other different systems that do asynchronous JavaScript and XML but not Ajax? And so, as I understand, Ajax only is everything around handling XMLHttpRequest object (or a newer version "fetch API")?

Nikzin
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  • Possible duplicate of [What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get](https://stackoverflow.com/questions/4657287/what-is-the-difference-between-xmlhttprequest-jquery-ajax-jquery-post-jquery) – PSo Oct 27 '17 at 02:35
  • I looked at those questions and got some picture. Still a question is just about Ajax. I'm studying and want to know practical basics. So as I understand Ajax must be with XMLHttpRequest (or fetch), is that correct? and can be no other implication of ajax w/o it, or? – Nikzin Oct 27 '17 at 09:21
  • yes, you can imagine XMLHttpRequest is the basis, which we build on top of it to create Ajax etc. – PSo Oct 27 '17 at 09:34

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