Node.js

26 Jun 2016 in Getting Started on Nodejs

Node.js 설치 및 Hello 예제

Installation

https://nodejs.org

node --version
node -v
npm -v

$ node
>var example = "hello!";
>alert(example);
>.exit

Example

hello.js

const http = require('http');

const hostname = '127.0.0.1';
const port = 3000;

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/plain');
  res.end('Hello World\n');
});

server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});

node hello
Server running at http://127.0.0.1:3000/

NPM(Node Package Manager)

npm is the package manager for JavaScript and the world’s largest software registry.

의존성 모듈 관리

create a package.json file

npm init -yes

package.json

{
  "name": "fruitshop",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC"
}

Install a package

npm install <package>

Grunt

Gulp

Reference

https://nodejs.org/en/docs/