1.

What is the difference between synchronous and asynchronous in Ajax?

Answer»
S.nosynchronousasynchronous
1.Synchronous or ( async: false ) script stops the program and waits for the server to send BACK a reply before continuing.Asynchronous or ( async: exact) script ALLOWS the web page to continue to be processed and will handle the reply when and if it arrives.
5. Explain the types of active states in Ajax?

There are five types of active states available in AJAX. Here are those:

  • request not initialized - ready state 0
  • server connection established - ready state 1
  • request received - ready state 2
  • processing request - ready state 3
  • request FINISHED, and the response is ready - ready state 4


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