jQuery .hide() not working [closed]

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I wrote a simple jQuery script and the .hide() is not properly rendering. You can see it here on jsfiddle.

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Fixed that for you. You didn't have jQuery selected on the left (you had mooTools).

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You don't have the jQuery library selected on jsfiddle. Works for me once I add the library:

http://jsfiddle.net/YR6fL/

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You can not expect jQuery methods to run with not jquery but Mootools loaded. Check your fiddle again http://jsfiddle.net/VBhYT/8/

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update the JQuery library on the left side

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Set your fiddle to use jQuery instead of Mootools and the .hide() works http://jsfiddle.net/jfriend00/VBhYT/6/.

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it started working when I updated the library to use Jquery 1.6.2. you had it set on mootools.

here: http://jsfiddle.net/anilkamath87/VBhYT/4/

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try this .css('display', 'none')