Thursday, 6 December 2012

Introduction to JQuery


JQuery is an open source JavaScript library that simplifies the interaction between HTML and JavaScript. It is a fast and concise library that shed light on event handling, animation and Ajax interactions for rapid web development. JQuery is designed to change the way you write JavaScript.
JQuery is a lightweight "write less, do more" JavaScript library. The JQuery library can be added to a webpage with a single line of markup. It is a coding language and is a branch of JavaScript. It works like JavaScript where it’s used to help with interaction and effects with your development code.
JQuery is created by John Resig in 2005, released in January of 2006 and only on 1.4.0 version. JQuery is a small sized (23 kb) Library. It is fully documented, creates great community and has tone of plugins. JQuery works in IE 6+, Firefox 2+, Safari 3+, Chrome, and Opera 9+.
JQuery is used by Microsoft, Google, Mozilla, IBM, Amazon, HP, and Intel. Ruby on Rails, WordPress, Django, Drupal, CakePHP, ASP.NET and MVC  26.95% of all sites use JQuery.
The JQuery library contains the following features:        
·         HTML element selections
·         HTML element manipulation                                                    
·         CSS manipulation HTML event functions
·         JavaScript effects and animations
·         HTML DOM traversal and modification
·         AJAX
·         Utilities
The best feature of JQuery is that you can accomplish with less codes than what it would take with JavaScript. Most common properties of JQuery are drop down menus, drag and drop elements, animations and form validation.
Developers have also connected this with other coding languages like JSP, ASP, PHP and CGI. JQuery offers a simple light box plug-in, which is elegant and used to overlay images on the current page through the power and flexibility of jQuery’s selector.
The JQuery is stored as a single JavaScript file containing all the JQuery methods. It can be easily added to your webpages with the following mark-up link:
<head>
<script type="text/javascript" src="jquery.js"></script>
</head>
JQuery is like a type of Framework that allows you to download a package from JQuery.com and then install a library of scripts on your server. JQuery.com provides two versions for downloading, one is minified and other one is uncompressed (for debugging and reading). And if you don’t want to download the JQuery library on your computer, you can use the hosted JQuery library from Google or Microsoft.   
JQuery is a new and exciting technology that is catching on quickly and making the internet more interactive and enjoyable. JQuery is an improved technology and it is the perfect option for new technology websites. It is the most popular JavaScript library in use today.

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