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AJAX Materials-Free Download
What is Asynchronous in Ajax?
We can set the Asynchronous value as true OR false.
Ajax request execute independently, Its response can come earlier than other request which is execute later
Ajax request does not execute independently, Its response can comes when earlier request finished.
AJAX sends a request to the server and doesn’t wait for the response. It doesn’t reload the page so consumes less bandwidth.
What are the different ready states of a request in AJAX?
There are 5 ready states of a request in AJAX.
0 means UNOPENED
1 means OPENED
2 means HEADERS_RECEIVED
3 means LOADING
4 means DONE
What does XMLHttpRequest?
sends data in the background receives data
updates data without reloading the page
What are the real web applications of AJAX currently running in the market?
What is JSON in AJAX?
What are the properties of XMLHttpRequest?
The important properties of XMLHttpRequest object are given below.
What are the technologies used by AJAX?
HTML/XHTML and CSS
What do the different readystates in XMLHttpRequest?
Following are different stats(0-4) of ready state in XMLHttpRequest
0 Ajax Request not initialized
1 Ajax Request’s server connection established
2 Ajax Request received
3 Ajax Request processing
4 request finished and response is ready.
What js library are available to use the Ajax?
Following are few JS library which are used for Ajax
What are advantage of AJax?
Its faster as it load only required content.
More user friendly.
One page application possible due to Ajax.
Reduce the loading of page.
What is XMLHttpRequest?
It is used to send HTTP/HTTPS requests to a web server and load the server’s response
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