Whats is Ajax in jQuery

AJAX is an acronym standing for Asynchronous JavaScript and XML and this technology help us to load data from the server without a browser page refresh.

JQuery is a great tool which provides a rich set of AJAX methods to develop next generation web application.

Loading simple data

This is very easy to load any static or dynamic data using JQuery AJAX. JQuery provides load() method to do the job −

Syntax

Here is the simple syntax for load() method −

$(selector).load(URL,data,callback);

Here is the description of all the parameters −

  • URL − The URL of the server-side resource to which the request is sent. It could be a CGI, ASP, JSP, or PHP script which generates data dynamically or out of a database.
  • data − This optional parameter represents an object whose properties are serialized into properly encoded parameters to be passed to the request. If specified, the request is made using the POST method. If omitted, the GET method is used.
  • callback − A callback function invoked after the response data has been loaded into the elements of the matched set. The first parameter passed to this function is the response text received from the server and second parameter is the status code.

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