AjaxAJAX stands for Asynchronous JavaScript and XML. AJAX is a new technique for creating better, faster, and more interactive web applications with the help of XML, HTML, CSS, and Java Script.

Ajax uses XHTML for content, CSS for presentation, along with Document Object Model and JavaScript for dynamic content display.

Conventional web applications transmit information to and from the sever using synchronous requests. It means you fill out a form, hit submit, and get directed to a new page with new information from the server.

Applications of "Ajax"

AJAX is the most viable Rich Internet Application (RIA) technology so far. It is getting tremendous industry momentum and several tool kit and frameworks are emerging. But at the same time, AJAX has browser incompatibility and it is supported by JavaScript, which is hard to maintain and debug.
Browser-based presentation using HTML and Cascading Style Sheets (CSS).
Data is stored in XML format and fetched from the server.
Behind-the-scenes data fetches using XMLHttpRequest objects in the browser.
JavaScript to make everything happen.


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  • keyboard_arrow_right XHR Create Object
  • keyboard_arrow_rightXHR Request
  • keyboard_arrow_rightXHR Response
  • keyboard_arrow_right XHR readyState
  • keyboard_arrow_right Parameter passing
  • keyboard_arrow_rightError Handling
  • keyboard_arrow_rightDatabase Creation
  • keyboard_arrow_rightData Manipulation
  • keyboard_arrow_right Database Creation
  • keyboard_arrow_rightQuery Execution
  • keyboard_arrow_rightCalls with XMLHttpRequest and XML
  • keyboard_arrow_rightError Handling
  • keyboard_arrow_rightStructure Creation

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