The obfuscation is a secure way to make your code very unreadable, so it decrease the posibility that your code could be stealed.
However, if you are feeling curious , if you have obfuscated code you can try to understand the code deobfuscating it and beautifyng the resultant.
This website http://jsnice.org/ provides a very useful tool to retrieve the source code from obfuscated code.
Note: The code will be not 100% readable, the variables will habe different names, but you can understand the code with that.
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