WEBVTT

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Back then, it wasn't called AJAX and in
fact, AJAX isn't really its official name.

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Technically, it's called a XMLHttpRequest
Object.

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It's sometimes shortened to just XHR.

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Put simply, AJAX is the process of using
JavaScript to send a request to

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a web server, and receive a response back,
and then do something with that response.

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What you send to the web server with AJAX
can be a simple request for a

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webpage, a text file, a search sent to

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a database, or a complete form full of
information.