deerawan

var students = [
  { name: 'budi', age: 25 },
  { name: 'inul daramanis', age: 27 },
  { name: 'jupe', age: 37 }
];

var result = students.map(student => student.name + ' dengan umur ' + student.age);

deerawan

var students = [
  { name: 'budi', age: 25 },
  { name: 'inul daramanis', age: 27 },
  { name: 'jupe', age: 37 }
];

var result = students.map(student => student.name);

deerawan

var scores = [1, 2, 3, 4];

var result = scores.map(score => score * 2);

deerawan

var scores = [1, 2, 3, 4];
var newScores = [];

for(var i = 0; i < scores.length; i++) {
  newScores.push(scores[i] * 2);
}

deerawan

var scores = [1, 2, 3, 4];

var result = scores.map(function(score) {
  return score * 2;
});

deerawan

function add(x, y) {
  return x + y;
}

// addTen is higher order function
function addTen(fn, x) {
  return fn(x, 10)
}

let result = addTen(add, 15);

deerawan

We are testing a simple controller from imaginable MVC framework.

<?php
class UserController extends AbtractController {

    public function show($id)
    {
        $user = $this->db->find('users',$id);
        if (!$user) return $this->render404('User not found');

deerawan

/**
    Code copyright Dustin Diaz and Ross Harmes, Pro JavaScript Design Patterns.
**/

// Constructor.
var Interface = function (name, methods) {
        if (arguments.length != 2) {
            throw new Error("Interface constructor called with " + arguments.length + "arguments, but expected exactly 2.");
        }
        this.name = name;

deerawan

// Generates a URL-friendly "slug" from a provided string.
// For example: "This Is Great!!!" transforms into "this-is-great"
function generateSlug (value) {
  // 1) convert to lowercase
  // 2) remove dashes and pluses
  // 3) replace spaces with dashes
  // 4) remove everything but alphanumeric characters and dashes
  return value.toLowerCase().replace(/-+/g, '').replace(/\s+/g, '-').replace(/[^a-z0-9-]/g, '');
};

deerawan

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console