JQuery is freely available at google code APIs. To use JQuery in your web page, simply copy and past the following code in the header section of your web page.
When JQuery is enabled inside a webpage, it allows user to access the ‘jQuery’ object. Simply pass this ‘jQuery’ object to ‘if’ statement. If it returns true, it means JQuery us enabled, otherwise it will return false. Have a look at the following piece of code.
This tutorial merely provided an introduction to jquery. In the upcoming tutorials, we shall see actual power of Jquery and what it can do for us. Keep visiting this site.