cameronism

// Exercise 2 - Closures
// Wrap the following code in a closure and export only the "countdown" function.

// Code
(function(container, name){

        var index;

        function log(){
          console.log(index);

cameronism

// Exercise 1 - OO || !OO
// Define a data structure for cars (make and color), and a function
// that logs a string like "I'm a red Mercedes" to the console.
// Make two versions: a functional version, and a object-oriented version.


function logCar (c) {
        console.log("I'm a " + c.color + " " + c.make);
}       

cameronism

function Person (name) {                                                     
  this.name = name;                                           
}  
                
Person.prototype.getName = function () {                              
  return this.name;  
}  
           
                                                       

cameronism

// Part 1.
// Implement a function prototype extension that caches function results for
// the same input arguments of a function with one parameter.

Function.prototype.cached = function() {
  var cache = {},
      func = this;

  return function( arg ) {
    return cache[ arg ] = arg in cache ? cache[ arg ] : func(arg);

cameronism

// 1
  document.getElementById('the_div').addEventListener(
    'click', function(){ log('the_div!') }, true);
    
  document.getElementById('the_list').addEventListener(
    'click', function(){ log('the_list!') }, !true);
    
  document.getElementById('the_item').addEventListener(
    'click', function(){ log('the_item!') }, true);

cameronism

// Syntax
// ------
// array.insertAt(index, element1, ..., elementN)

// Parameters
// ------
// index
// :  Index at which to insert elements. If negative, will begin that many elements from the end.
// element1, ..., elementN
// :  The elements to add to the array.

cameronism

(function(context) {
    var xhr = context.XMLHttpRequest,
        json = context.JSON,
        mime = 'application/json';

    context.xhr = xhr && json && function(method, url, data, callback) {
        var req = new xhr();

        req.onreadystatechange = function() {
            if(req.readyState == 4) {

cameronism

function updateClasses(el, options) {
    var classes = el.className.split(/\s+/),
        className,
        pattern = /^no-(\w+)$/,
        val,
        i, l;

    for (i = 0, l = classes.length; i < l; i++) {
        className = classes[i];
        if (!options.hasOwnProperty(className)) {

cameronism

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

cameronism

// returns a new sorted array with all elements from independently sorted arrays in arguments[1] thru arguments[n]
function mergeSorted(iterator/* ... arrays */) {
  var result = [],
      arrays = [].slice.call(arguments, 1),
      indexes = [],
      values = [],
      len,
      ix,
      min;