Glossary term
What is runtime? Meaning for developers
The program that runs your code and gives it tools such as files, network and timers; Node.js is a JavaScript runtime.
Learn it properly · Node.js From ZeroLesson 0: What Node.js Is and How It Runs Your CodeV8, libuv and the runtime, the single thread and what it means, modules (ESM and CommonJS), npm, and running your first script.