NodeJS

• Webdevelopment
• HBO
• Studiejaar 1

NodeJS

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the

NodeJS

Fullstack development

• front-end
• back-end

NodeJS

Why use NodeJS

• It's popular, and, and ....
• JavaScript

NODEJS - APP

Node console (node)

• REPL

Run a file with Node (node <file-name>)

• app.js

NODEJS - Excersice

• Create an app.js file.
  
• In app.js: Create a function 'echo' that takes two       variables(string and number).
  
• The function  will do a console.log the number of times the number is.
• Do a call to the function 2 times.
  
• Run your app.js using node.
  

 

NODEJS - NPM

Node Package Manager

npm is the package manager for JavaScript and the world’s largest software registry. Discover packages of reusable code — and assemble them in powerful new ways.

NODEJS - NPM

Package installation for our project: (npm install <package-name>

- cat-me

var something = require('cat-me');

NODEJS - NPM

npm install <package-name> //node-modules

require('<package-name>') // use in our code

Read the documentation how to use!!

NODEJS - NPM - Exersice

install the 'faker' package -- not Faker but faker!

Create a directory myShop, in that directory create a file called: listProducts.js.

Read the documentation on faker and figure out how to use it.

Use faker to print out 10 products with price.

Run it with Node