This community-built FAQ covers the “XHR GET Requests I” exercise from the lesson “Requests I”.
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Web Development Introduction To JavaScript
XHR GET Requests I
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So can I think that AJAX is a technology to communicate data asynchronously after initial page load and Premise, XHR are concrete frameworks which implement the technique?
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Is all communication between the server and Javascript accomplished using XML/AJAX at some level, or is that just one method of communication?
mtf
February 16, 2020, 5:39pm
#4
This will be a bit of a tricky read, but give it a go and check some of the results…
https://www.google.com/search?client=firefox-b-d&q=web+socket+vs+ajax
We will, at this stage be focusing on AJAX (Asynchronous JAvascript over XML). AJAX is a later refinement of the original XHR (XMLHTTPRequest).
You might find this reading somewhat enlightening, though not a direct answer to your question…
https://developer.mozilla.org/en-US/docs/Learn/Server-side/First_steps
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