Node.js
In one sentenceA way to run JavaScript on a server, so one language can power both the website and the back end.
What it means
Node.js takes JavaScript out of the browser and runs it on servers and your computer. Many web apps, APIs and AI tools (including several AI coding agents) run on Node. npm is its library of add-on packages.
How to use it
- If an AI-built app says "run npm install, then npm start", it is a Node.js app.
Related terms
JavaScript Front End vs Back End Framework VPS / Server
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