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/**
 * Replace any ocurrences of {{dimsum}} with generated text.
 */
dimsum.parse = function(root) {

    var reg = /{{dimsum[:]?([pst0-9]*)}}/ig,
        root = root || document.getElementsByTagName('body')[0],
        command = '';

    // If root is just a string, then return a string with replacement

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Windows.Storage.ApplicationData.current.localFolder.createFileAsync("example.svg", Windows.Storage.CreationCollisionOption.replaceExisting)
    .then(function(storageFile) {

        var serializer = new XMLSerializer()
          , xmldoc = new Windows.Data.Xml.Dom.XmlDocument()
          , xmlLoadSettings = new Windows.Data.Xml.Dom.XmlLoadSettings()
          , svgnode = document.querySelector('.container > svg')
          , svgstr = serializer.serializeToString(svgnode)

        xmlLoadSettings.prohibitDtd = false;

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/** Native NodeJS */
var http = require('http')
  , server = http.createServer(function(req) {
        console.log(req.headers['user-agent']);
    });

server.listen(3000, 'localhost');

/** NodeJS with Express */
var express = require('express')

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/** User-agent pattern matching */
var browser = 'unknown'
  , version = 'unknown'
  , patterns = {
        android:    /android\s([0-9.]*)/i
        chrome:     /chrome\/([0-9.]*)/i,
        firefox:    /firefox\/([0-9.]*)/i,
        ie:         /msie\s([0-9.]*)/i,
        ipad:       /ipad.version\/([0-9.]*).safari/i,
        iphone_4:   /iphone\sos\s4.version.mobile\/([0-9.]*).safari/i,

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/** NodeJS with Express */
var express = require('express')
  , http = require('http')
  , app = express();

http.createServer(app).listen(3000);

app.get('/', function(req, res) {
    console.log(req.get('user-agent'));
});

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if ('document' in this) {
    this.document.addEventListener('DOMContentLoaded', function() {
        dimsum.parse(document.getElementsByTagName('body')[0]);
    });
}

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; (function () {

    var Controls = Controls || {};
    var fallback = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQIW2N81d/4HwAHYAL7mbvoAwAAAABJRU5ErkJggg==';
    var classname = 'deferred-img';

    Controls.Image = function (node, options) {

        this.state = 'ready';
        this.node = node || document.createElement('figure');

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ec2.describeInstances(params, handleResponse);

function handleResponse(err, data){
 
 if (err) {
   console.log("Error", err);
   return;
 }
 else {
   var status = data.Reservations[0].Instances[0].State;

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Introduction to NodeJS

Resources

JavaScript language reference

https://developer.mozilla.org/en-US/docs/Web/JavaScript

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# -i: The interface to listen on
# -s: Setting snaplen to 0 sets it to the default of 65535
# -B: Buffer size in KiB
# -w: File to write packets to
tcpdump -i en1 -s 0 -B 524288 -w out.pcap dst port 8080