Introducing jQuery
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by Debjani Mallick
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Adding a class

It is one of the common tasks that a developer performs on a web page - adding and removing classes. For adding a class, we have to use addClass() function.

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It has been assumed that tableStyle is a predefined class. Similarly for removing a class, we can use removeClass () function.


jQuery allows us to concatenate together operations into a single expression. Every method within jQuery returns the query object itself, allowing the programmer to "chain" upon it. In other words, most of the jQuery wrapper methods returns a reference to the jQuery object itself so that we can go on adding operations to a single expression when we need to perform multiple manipulations on the wrapped object. Let us take the example of the statements below.

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The operation performed by the above two statements can be performed in one statement as shown below.

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Like the above examples, there are a lot of functionalities which can be performed using jQuery using the minimal code.

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User Comments

Title: Nice article   
Name: vinay khanna
Date: 2009-09-17 6:31:10 AM
nice article to start working on jquery
Title: useful resources   
Name: sudhir
Date: 2009-02-09 8:07:33 AM
For peoples searching information related to using JQuery with ASP.NET here is link to useful resources.
Title: Mr   
Name: Razvan Puscasu
Date: 2008-10-27 4:44:25 AM
Simple and effective article. Thx for the introduction in the JQuery world.
Title: Nice Article   
Name: Joydip Kanjilal
Date: 2008-10-19 10:51:45 AM
Nice and simple.



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Title: Nice simple article   
Name: Daniel
Date: 2008-09-26 1:46:14 PM
I was looking for some articles on jQuery and I found this article which really proved helpful for me. Thanks for the article.

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