Use cases
Where JavaScript is a strong choice.
Web front-ends
The only language that runs natively in every browser.
Real-time and I/O-heavy APIs
Chat, streaming, BFF layers.
Full-stack apps with one language
Share types and validation between client and server (TypeScript).
Serverless and edge functions
Fast cold starts on edge runtimes.
Think twice for
CPU-heavy number crunching, or systems that need precise memory control.
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