why jquery can't be used in my $(document).ready() function?

Posted by Firegun on Stack Overflow See other posts from Stack Overflow or by Firegun
Published on 2012-11-19T04:55:36Z Indexed on 2012/11/19 5:00 UTC
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JavaScript

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jQuery

The page can be viewed at

http://cistrome.org/cps/seqconfig?did=2693

When load in Firebugs, it gives me this error:

TypeError: $(".open_gene").on is not a function
[Break On This Error]   

$(".open_gene").on('change', function(event) {

However, if I type in this expression in Firebug's console, it can be evaluated as a function without any problems:

>>> $(".open_gene").on
function()

I was wondering what might be the reason to cause this issue. Does anyone have ideas about this? Thanks!

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