Building a JS Engine -- For Fun!

JS Nation

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JSNation 2024

Linus Groh

Modern production-grade JS engines can seem intimidating, but that's not all there is! This lightning talk draws from my past experiences working on hobbyist JS engines, and it will cover the following: - Different angles to approach this seemingly complex task- Things you can learn along the way- Some existing projects that optimize for fun (instead of chasing benchmarks), and what makes them unique You'll see that you don't need a background in compiler design to get started exploring JS engine internals. Most importantly, it's fun!