ivan-ha

// same execution context, all pointing to same memory location
// so by the time running console.log(i), i will be its final value (i.e. 3)
function buildFunctions() {
  var arr = [];
  for (var i = 0; i < 3; i++) {
    arr.push(
      function () {
        console.log(i);
      }
    );

ivan-ha

function makeGreeting(language) {
  return function (name) {
    if (language == 'en') {
      console.log('Hello ' + name);
    }
    else if (language == 'es') {
      console.log('Hola ' + name);
    }
  };
}

ivan-ha

Have migrated to this repo

ivan-ha

var person = {
  firstname: 'John',
  lastname: 'Doe',
  getFullName: function() {
    return this.firstname + ' ' + this.lastname;
  }
}

var logName = function(arg1, arg2) {
  console.log('Logged: ' + this.getFullName());

ivan-ha

function mapForEach(array, fn) {
  var tmpArr = [];
  
  for (var i = 0; i < array.length; i++) {
    tmpArr.push(
      fn(arr[i])
    );
  }
  
  return tmpArr;

ivan-ha

;(function(global, $) {
    
    // 'new' an object
    var Greetr = function(firstName, lastName, language) {
        return new Greetr.init(firstName, lastName, language);   
    }
    
    // hidden within the scope of the IIFE and never directly accessible
    var supportedLangs = ['en', 'es'];
    

ivan-ha

var fibonacci = function(number) {
  var mem = {};

  function f(n) {
    var value;

    if (n in mem) {
      value = mem[n];
    }
    else {

ivan-ha

/**
 *  Simulate classical ineritance (not recommended) using constructor function
 */

function Greeter (name) {
  this.name = name || 'John Doe';
}

Greeter.prototype.hello = function hello () {
  return 'Hello, my name is ' + this.name;

ivan-ha

const proto = {
  hello: function hello() {
    return `Hello, my name is ${ this.name }`;
  }
};

const george = Object.assign({}, proto, {name: 'George'});

const msg = george.hello();

ivan-ha

const animals = [
    {
        "name": "cat",
        "size": "small",
        "weight": 5
    },
    {
        "name": "dog",
        "size": "small",
        "weight": 10