mootools - javascript: Which is the powerful javascript compressor -

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which powerful javascript compressor 

http://www.bananascript.com/

because bananascript compress mootools uncompressed library(138kb) 40kb. best result compared google js compressor, yui compressor, etc. there pitfalls or cross browser problems should knowing of. 1 should go if want compress mootools uncompressed library. way can determine use compress other custom js files?

besides raw size of generated script, thing must keep in mind performance required executed script. if compression done in way requires browser first decompress or regenerate original code creating performance hit maybe choosing of other compressors have been better choice, specially files sent once , cached @ browser, decompression must done everytime page loaded.


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