How AJAX works

Ajax is a client pattern and for that reason it is powered by JavaScript. Unfortunately, JavaScript can’t exchange information with the server and can only post the page to it. This limitation can be overcome by using the XMLHTTP component of Ajax. XMLHTTP enables invoking the server asynchronously without posting the page and it also enables executing arbitrary …

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How AJAX improves usability

Ajax is a pattern that combines JavaScript and XMLHTTP components to invoke the server asynchronously without causing a reload of the page. Before this technology, web applications had the following flow:
-The user requests a page
-The server replies with HTML interpreted by the browser
-The user performs an action on the page
-The page is posted back to the server.
-The …

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AJAX (Asynchronous JavaScript and XML)

AJAX is a group of interrelated web development methods used on the client-side to create interactive web applications. Web applications based on AJAX can communicate with server asynchronously, in the background without interfering with the display and behavior of the existing page. Data is usually retrieved using the XMLHttpRequest object. AJAX is a group of technologies.

For example AJAX …

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