webserver.js

// Note: Useful only for debug purposes when using desktop browsers.
var http = require("http"),
    url  = require("url"),
    path = require("path"),
    fs   = require("fs"),
    port = process.argv[2] || 8888;

http.createServer(function(request, response) {
  var uri      = url.parse(request.url).pathname,
      filename = path.join(process.cwd(), uri).replace(/%20/g, ' ');

  fs.exists(filename, function(exists) {
    if(!exists) {
      response.writeHead(404, {"Content-Type": "text/plain"});
      response.write("404 Not Found\n");
      response.end();
      return;
    }
    if (fs.statSync(filename).isDirectory()) filename += '/index.html';
    fs.readFile(filename, "binary", function(err, file) {
      if(err) {
        response.writeHead(500, {
          "Content-Type": "text/plain"
          });
        response.write(err + "\n");
        response.end();
        return;
      }
      response.writeHead(200);
      response.write(file, "binary");
      response.end();
    });
  });
}).listen(parseInt(port, 10));

console.log("Static file server running at\n  => http://localhost:" + port + "/\nCTRL + C to shutdown. WARNING this is for development purposes only -- you'd have to be a fool to run this on the web.");