AJAX, originally defined by an article written by Jesse James Garrett in February 2005, meant “Asynchronous JavaScript+XML.” Although that acronym is amusing, it doesn’t tell the full story. AJAX is a secondary path of communication from the JavaScript environment on the user’s Web browser to your server.聽The use of AJAX causes changes in the typical page flow that you see in a normal Web application. With AJAX, requests now happen more often and may result in smaller responses of non-HTML data.
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