AJAX Basics

Page 1

AJAX stands for Asynchronous Javascript and XML.

1. The motive of Ajax:

-> Requesting data from server without reloading the page

-> Sending data to server without reloading the page

-> Used to make callbacks, making round trip to and from the server to retrieve or send data

-> Asynchronous calls to web server, this allows client browser to avoid waiting for all data to arrive before allowing user to act once more

2. Arguments required by AJAX:

-> 1st argument is always the URL, which will provide the required data

-> Then there are multiple optional arguments

->There are 3 main params used in making an AJAX request:

-> URL

->method: GET/POST

->data: data required by the URL to fetch the dynamic result. Example: We've to attach the email to the URL order to fetch the results regarding that URL only.

3. AJAX result:

-> AJAX response will come in success label

-> Then we can perform different operation the response received