What is AJAX?

AJAX (Asynchronous JavaScript and XML) is a technique that allows web applications to send and receive data from a server asynchronously, without refreshing the entire page. It is commonly used for dynamic content updates, like loading new posts in a feed or submitting forms without reloading the page.

Key Features of AJAX:

  1. Uses asynchronous requests for faster user experiences.
  2. Often employs XMLHttpRequest (XHR) object for communication with the server.
  3. Supports data formats like JSON, XML, or plain text.
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