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How to debug obfuscated JavaScript?

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How do you Unblur obfuscated content?

Press F12 to open Developer Tools inside Chrome. Now switch to the Scripts tab, right-click and choose De-obfuscate source. That's it!

How do you decode obfuscated?

This can be opened in the Dotfuscator UI by going to the Tools menu and selecting Decode Obfuscated Stack Trace. Note: This feature is only available after registering Dotfuscator Community.

Is it possible to obfuscate JavaScript?

JavaScript obfuscation is a series of code transformations that turn plain, easy-to-read JS code into a modified version that is extremely hard to understand and reverse-engineer. Unlike encryption, where you must supply a password used for decryption, there's no decryption key in JavaScript obfuscation.

Does obfuscation affect performance JavaScript?

Name obfuscation does not affect the performance and should always be used. You can virtualize methods that are not computationally intensive.


I need to debug obfuscated JavaScript like this example:

__d("DataStore",[],function(a,b,c,d,e,f){var g={},h=1;function i(l){if(typeof l=='string'){return 'str_'+l;}else return 'elem_'+(l.__FB_TOKEN||(l.__FB_TOKEN=[h++]))........

JavaScript debuggers embedded in MSIE, Opera and Chrome do not understand that JS uses semicolons and not CRLF as a line breaks; so it is impossible to debug a script like that, because entire function is located on one large line, and the debugger always highlights this one line disallowing me to see what part of code is actually executed.

Is there any way to debug JavaScript files that contain a very long line of code and don't use CRLF to separate code lines?