[baybal2]

There is a major negative effect - you will be running obscure blobs of code - you can't think of anything worse for security.

Sandboxing as such will not help you to any degree with that. People promoting sanboxing as a universal solution have poor knowledge of computer security

[TomMarius]

I don't know a complex web app that doesn't minify and/or obfuscate its source code.

[baybal2]

You do not see a difference in between two?

[TomMarius]

No, not at all (practically). Either way I need a source map and/or a decompiler to read the code.

[baybal2]

The parsed VM bytecode and calls to native code by the interpreter are two quite different things