common-js-pitfall-4.js

var http = require('http');

function makeResponseHandler(i) {
    return function(response) {
        console.log('i: ' + i);
    };
}

var i = 0,
    urls = [ 'http://www.google.com', 'http://www.yahoo.com' ],
    urlLength = urls.length;

for (; i < urlLength; i++) {
    http.get(urls[i], makeResponseHandler(i));
}