jQuery Introduction
jQuery is not a language it is library of JavaScript function that was developed in January 2006 by John Rasig. jQuery mainly use for create document traversing, event handling, animating and Ajex for rapid website development. For use jQuery we use use Script tag within Head or body section of document.
- jQuery improve the performance of website.
- jQuery can be run on most of browser.
- iQuery library contain HTML selections and manipulation.
- jQuery library contain CSS manipulation.
- By jQuery we can create effect and animation on website.
- It is an lightweight.
For work with jQuery we have to firstly add jquery library in our document
How to add jQuery library in document. In this example jquery.js is an external jquery library
<head> <script type="text/javascript" src="jquery.js"></script> </head> |
Example
In this we are using hide() method of jquery. After clicking on button message will be hide.
<html> <head> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript"> $(document).ready(function () { $("button").click(function () { $("p").hide(); }); }); </script> </head> <body> <h3>My first program of jquery</h3> <p>Hello friends how are you</p> <button>Click</button> </body> </html> |
Output
![jqueryintro.jpg]()
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