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What are the differences between AJAX and JavaScript?

The differences between AJAX and JavaScript are given as follows:

  •  AJAX sends request to the server and will not wait for the response. 
  •  It will allow other operations on the page before it get response of previous request; whereas, JavaScript make a request to the server, will waits for response and will not allow other operation on the page during that time. 
  •  In AJAX, the page will not get refreshed for downloading the whole page while JavaScript manages and controls a Web page after being downloaded. 
  •  By using AJAX we can minimize the overload on the server because the script needs to request once while JavaScript posts the request that updates the script each time.