what is ajax technology

Ajax (Asynchronous JavaScript and XML) is a collection of web development technologies that use many web technologies to develop asynchronous web applications on the client side. Using Ajax, web applications can send and retrieve data asynchronously without interfering with the display and behavior of existing pages.

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By decoupling the data interface layer and presentation layer, Ajax allows web pages or other extensions Web applications dynamically change data without reloading the entire page. Implementations often choose JSON instead of XML because it is closer to JavaScript.

Ajax is not a technology, it is a set of technologies. HTML and CSS are used to combine markup and style information. Users can use js to access DOM objects for dynamic display. js and the XMLHttpRequest object provide a way for the browser and server to exchange data asynchronously to avoid loading the entire page.

The term Ajax has come to represent a set of techniques used by web applications to communicate behind the scenes with the server without interrupting the current state of the page.

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