Node Basics

Run a Node App

terminal

node filename.js

You can execute node code in the terminal by typing

node 

This will give you a node command prompt

Node Modules

console.log('starting app');

const fs = require('fs');
const os = require('os');
 var user = os.userInfo();
 //console.log(user);
fs.appendFile('greet.txt', `hello${user.username}!` , (e)=>{
    if(e){
        console.log('error');
    }
});

Nodejs api List