Exploring jQuery Selectors
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by Nihar Ranjan Nayak
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Basic Selectors

#id

To select an element by the ID attribute. If the ID contains special character then you can escape them with backslashes. For example to find a text box with ID txtName you can write the following :

                   $("#txtName")

Then you can do any operation on the text box like getting the value or changing the css class.

element

To find all the elements in the page with the given element name. For example to get all the DIV elements following is the syntax

                    $("div")

This will find all the DIVs present in the page. You can do any operation after that.

.class

To find all elements with the given class name. The following code finds all the elements which have class name 'RedButton'.

                        $(".RedButton")

*

This finds all the elements in the document. The syntax is

                   $("*")

selector 1, selector 2, selector N

This matches the combined result of all the specified selectors. We can specify N number of selectors to get a single result. Suppose you want to find all the DIVs, a text box with ID 'txtName' and a Button with class name 'RedButton'. Then following is the syntax:

                   $("div, #txtName, .RedButton")

Suppose you want to change the border color of all these elements then write :

                   $("div, #txtName, .RedButton").css("border","3px solid blue");

It will change all the specified  elements' border color to blue.


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User Comments

Title: good   
Name: 00
Date: 2010-01-28 10:44:36 PM
Comment:
thanks
Title: Request   
Name: Pls write more article on JQuery
Date: 2009-05-12 6:46:55 AM
Comment:
Hello Nihar
Please write more articles on JQuery.
Tume lekha ame sahajare khali padhi kam akribu
How is the IDEA?
Excellent Idea...
Title: Ureka   
Name: Lulu
Date: 2009-05-11 10:26:46 AM
Comment:
Really I have been searching this type of article for last 2 months.Thank you Nihar.
Title: Excellent boss   
Name: Sumoon
Date: 2009-05-11 10:23:15 AM
Comment:
Excellent Article boos.Please post tghis type of usefull articles more

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