nodeschoo.io's http collect

httpCollect.js

var http = require('http');

var total = 3;
var result = new Array();
function decrementAndPrint(element, data){
	result[element] = data;
	total -= 1;
	if (total == 0){
		console.log(result[0]);
		console.log(result[1]);
		console.log(result[2]);
	}
}

function processPage(index, url){

	http.get(url,function(res){
		res.setEncoding('utf8');
		var characters = '';
		res.on('data', function(data){
			characters += data
		});

		res.on('end', function(data){
			decrementAndPrint(index,characters);
		});
	});
}

processPage(0,process.argv[2]);
processPage(1,process.argv[3]);
processPage(2,process.argv[4]);