Простой обфускатор JS с использованием библиотеки упаковщиков
Оригинальный код javas
In software development, obfuscated code is the deliberate act of making source or machine code difficult to understand by humans.
Programmers may deliberately obfuscate code to conceal its purpose (security through obscurity) or its logic to prevent tampering, deter reverse engineering, or as a puzzle or recreational challenge for someone reading the source code.
Programs known as obfuscators transform readable code into obfuscated code using various techniques.