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What is Jquery?

JQuery is Java Script library or Java Script Framework which helps in how to traverse HTML documents, do some cool animations, and add Ajax interaction to any web page. It mainly helps programmer to reduce lines of code as huge code written in Java Script, can be done easily with JQuery in few lines.

For detailed information, check below link.
http://bit.ly/v0QdsH

Click below link to get mostly asked jQuery interview question.
http://jquerybyexample.blogspot.com/2011/08/mostly-asked-jquery-interview-questions.html

What does dollar Sign ($) means in JQuery?

Dollar Sign is nothing but it’s an alias for JQuery. Take a look at below jQuery code
$(document).ready(function(){

});

Over here $ sign can be replaced with “jQuery ” keyword.

jQuery(document).ready(function(){

});

Click below link to get mostly asked jQuery interview question.
http://jquerybyexample.blogspot.com/2011/08/mostly-asked-jquery-interview-questions.html

How is body onload() function is different from document.ready() function used in jQuery?

Document.ready() function is different from body onload()…

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