What are the technologies used by AJAX?

Ajax is commonly used to represent a broad group of Web technologies. These web technologies can be used to implement a web application that can communicate with a server in the background, all the while not interfering with the current state of the page. In order to do this, Ajax utilizes the following technologies:

  • HTML (or XHTML) and CSS for presentation
  • The Document Object Model (DOM) for dynamic display of and interaction with data
  • JSON or XML for the interchange of data, and XSLT for its manipulation
  • The XMLHttpRequest object for asynchronous communication
  • JavaScript to bring these technologies together

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