timkg

function Interface(methodNames) {
	var self = this;
	methodNames.forEach(function(name) {
		self[name] = function() {
			throw new Error('Interface methods should not be called directly. Overwrite with specific implementation details.');
		};
	});
}

Function.prototype.implement = function(_interface, methodHash) {

timkg

var clickCount = 0, link;
link = document.getElementById('masochist')
link.innerHTML = 'How many times can you click me?';
link.onclick = function(){
  clickCount++;
  link.onclick = function(){ clickCount++; };

  start = new Date();
  while (new Date() - start < 5000) {}
  console.log(clickCount);  // this will always be 1

timkg

var clickCount = 0, link;
link = document.getElementById('masochist')
link.innerHTML = 'How many times can you click me?';
link.onclick = function(){
  clickCount++;
  link.onclick = function(){ clickCount++; };

  start = new Date();
  while (new Date() - start < 5000) {}
  console.log(clickCount);  // this will always be 1

timkg

function stuff() {
	var start = new Date();
	// notice how 'stuff' is in the the call stack
	debugger;
	setTimeout(function timeout() {
		var end = new Date()
		  , diff = end - start;
		// notice how 'stuff' is NOT in the call stack
		debugger;
                console.log( diff + 'ms have passed' );	

timkg

function Paper() {

	}

	Paper.prototype.beats = function( o ) {
		return o.beatenByPaper();
	};
	Paper.prototype.beatenByPaper = function() {
		return false;
	};

timkg

	function Paper() {};

	Paper.prototype.beats = function( o ) {
		if( o.constructor === Rock ) {
			return true;
		} else if ( o.constructor === Paper ) {
			return false;
		} else if ( o.constructor === Scissors ) {
			return false;