[tshadwell]

Almost all Javascipt obfuscation schemes that I've come across in the wild can be defeated by Closure Compiler with advanced optimizations and pretty print turned on & if necessary a little extra manual intervention. It just optimizes out all the cruft. I'd like to see what it does to this code but the author hasn't provided a raw file.

Online closure compiler: http://closure-compiler.appspot.com

[ben174]

I just tried running some jjencode'd js through your closure compiler and it didn't clean it up much at all.

http://utf-8.jp/public/jjencode.html

[pokoleo]

I did too - you need to poke around with the compiler settings.

For jjEncode's sample `alert("Hello, JavaScript" )`[0], the first step of the post's analysis is done for you[1], if you set closure compiler on "advanced mode".

That being said, double-jjEncoding the sample `alert("Hello, JavaScript" )` stumps the closure compiler.

[0] http://utf-8.jp/public/jjencode.html?src=alert(%22Hello%2C%2... [1] https://closure-compiler.appspot.com/code/jsc40b41f282d17ff7...

[jontro]

Line 1-5 is provided in copy 'n pasteable text. However it won't de obfuscate it enough imho.