Sunday, August 14, 2022

Node.js app basics

  • node.js is command line runtime for javascript based on v8
  • Node.js, it's a JavaScript runtime built on Chrome's V8 JavaScript engine.  —> Node.js provided new host objects in addition to native JavaScript objects (source codeacdemy). Same engine. Node non-blocking queue fast efficient, less, don’t do one by one can handle it as it comes, send it as it is ready. Blocking analogy (the opposite: 
  • npm install 
    • install all dependencies in package.json
    • npm install adds the node_modules folder if it doesn't already exists and add files to the folder
    • If using npm i generates package.lock, you might seen yarn.lock if using yarn
  • Rename any env.example file to .env if that file contains the environment variable and authentications that you would like to use
  • npm start 
    • executes the startup script

tags: web dev, webdev, 

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