JavaScript
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Why is IE running jQuery ready twice?

By Sam Deering

I ran into this problem while developing a jQuery plugin and was testing it on IE7 (don’t ask).

I was thinking… why the hell is IE running my jQuery code twice! I knew it was because i had an alert statement and it was being shown twice (the same document ready function firing twice). Then found out that this is a known bug for earlier versions of jQuery when used in IE the best fix is to update to the latest version.

Versions know to cause this bug:
1.4.3,1.4.4
See for more info on this version
http://blog.jquery.com/2010/11/03/jquery-1-4-4-release-candidate-2-released/

See bug tickets for more info:
http://bugs.jquery.com/ticket/13
http://bugs.jquery.com/ticket/7310
http://bugs.jquery.com/ticket/7273

FIX:

Use latest version of jQuery:

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