When Comments Aren't Comments: Decoding An Obfuscated JavaScript Sample

An obfuscated JavaScript sample was observed on a device with an oddly large comment block at the top of the code. Students of programming are often taught that comments are not part of code itself and serve no other purpose other than to provide explanations for code blocks. In this article, we explore why that isn’t always true.

July 12, 2026 · 12 min · Matt Swann