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JavaScript Runtime ↔ Environ (container) to run JS, consists of JS Engine, JS Library & Platform-specific API

aka JavaScript-Runtime-Environment, JS-Runtime, JS-Runtime-Environment, JS-Runtime-Environ

JS Library​

core "vanilla" JS Lib

Platform API​

extra APIs extends JS for specific Runtime Environment

Browser Runtime​

JS Runtime Environ with JS Engine, Web API, Callback Queue & Event Loop

**Event Loop**​

(mechanism) to orchestrate Non-Blocking Concurrency Model by manageCallback Functions between Callback Queue& Call Stack, to await execute

Runtime Environment​

Place to Execute Program, with platform-specific Global Scope access

Node.js Runtime​

JS Runtime Environ to execute JS outside Browser via JS Engine with C++ Bindings & Thread Pool

References​

  1. Browser Runtime ↔ JS Runtime Environ with JS Engine, Web API, Callback Queue & Event Loop

  2. Node.js Runtime ↔ JS Runtime Environ to execute JS outside Browser via JS Engine with C++ Bindings & Thread Pool