Recognition of stack-bases language

Does anyone know what language this could be?

开发者_如何学C    ([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][[]+[])[+[]]+([![]]+[][[]])
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it is javascript, see here http://forum.lessthandot.com/viewtopic.php?f=44&t=13503

put this in a file and run it

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another example

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