I would say it is easier to understand and reverse engineer minified and uglified JS than it is machine code, but still not a trivial level of effort. It is pur

I would say it is easier to understand and reverse engineer minified and uglified JS than it is machine code, but still not a trivial level of effort. It is purely a matter of the time and effort someone is willing to spend on understanding your code. If you have something sensitive like an API key, passwords or proprietary algorithm then it might be worth the while of someone to find it in your code.