JavaScript is a language that has never particularly piqued my interest, as I prefer working at the binary, CPU, operating system level, etc. However, something that has truly caught my attention recently is V8, or more precisely, its ability to perform Just-in-time Compilation (JIT).
V8's JIT is highly acclaimed for its speed and consistently ranks not far from the top in various benchmarks. While it might not always be the fastest, it is orders of magnitude ahead of purely interpreted languages such as Python (CPython), PHP, and Perl.