express_example_setup_locally

$ mkdir myapp
$ cd myapp

$ npm init

$ npm install express --save

$ npm install express

export NODE_PATH=/usr/local/lib/node_modules

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helloworld.js

var express = require('express');

var app = express();



app.get('/', function(req, res){

  res.send('Hello World');

});



app.listen(80);