Ajax Technologies - Tutorial Tour

Ajax Technologies

Ajax Technologies
Ajax Technologies

Ajax Technologies – AJAX is stands for Asynchronous JavaScript and XML. It is a group of inter-related technologies like JavaScript, DOM, XML, HTML, CSS etc. If you know JavaScript, HTML, CSS, and XML, then you learn AJAX easily.

Ajax is not a technology, but a group of technologies. HTML and CSS can be used in combination to mark up and style information. The DOM is accessed with JavaScript to dynamically display – and allow the user to interact with – the information presented. JavaScript and the XMLHttpRequest object provide a method for exchanging data asynchronously between browser and server to avoid full page reloads.

As you know, AJAX is not a technology but group of inter-related technologies. It is used to create interactive webpages. AJAX technologies includes-

  1. HTML/XHTML and CSS – These technologies are used for displaying content and style. It is mainly used for presentation.
  2. XML or JSON – For carrying data to and from server. JSON (Javascript Object Notation) is like XML but short and faster than XML.
  3. DOM – API for accessing and manipulating structured documents. It Represents the structure of XML and HTML documents.
  4. XMLHttpRequest – For asynchronous communication between client and server. For more visit next page.
  5. JavaScript – JavaScript function is called when an event occurs in a page. Loosely typed scripting language. Glue for the whole AJAX operation.


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