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Troule with $$(this)

 
Greenhorn
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Just came across some code using $$(this) to store data in a function:

Unfortunately I can't work out what's the deal behind the $$(this) thing.
How do I get back morestuff in another function/ context??

Google has not been a friend to me, and yes - I am some sort of a beginner.

Cheers
Stephan
 
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Is this mootools?

Eric
 
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$$ is not part of native JavaScript. It must be from a library, and you need to tell us which one in order to get any help.
 
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