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Today 08.05

Node JS

After the last week where did the our project group and the end of the Frontend session, now in the middle of the course we start with Backend.

node.js

For check the version installed you must put in terminal cmder: node -v

versionnode.png

For run our script app, writte node app.js in terminal cmder.

Install nodemon with this command: npm install -g nodemon.

work similar as node -v but still waiting for news change. Like LiveReload. For run app with this usefulled is nodemon app.js.

Node sirve para ejecutar javascrip en un servidor. Sistema de modulos

require key work node.js for require different files, call other files. Requiere command is an object.

Remember the differents forms to created [objects in JS.](remember create objets in JS.js )

demo-modules-text demo-modules-node

NPM

npm

NPM --> Package module

For install any package, must we writte npm install namepackage when I installed the module, this will create a new folder with the name node_modules into our project.

When no specify the path on require command, automatically search into folder node_modules of our project.

Exercises for practice Node

Exercises examples:

  • [Demo Modules Text](Demo Modules Text)
  • [Demo Modules Node](Demo Modules Node)
  • [Calculator Node](Calculator Node)