1+ let numbers = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];
2+
3+ //********** forEch using arrow functions
4+ console.log('forEach using arrow functions');
5+
6+ numbers.forEach(x => {
7+ console.log((x % 2 == 0));
8+ });
9+
10+ //********** using for..of loop
11+ console.log('using for..of loop');
12+
13+ for (let n of numbers) {
14+ console.log((n % 2 == 0) ? 'even' : 'odd');
15+ }
16+
17+ //********** Using the new ES6 iterator (@@iterator)
18+ console.log('Using the new ES6 iterator (@@iterator)');
19+
20+ let iterator = numbers[Symbol.iterator]();
21+ console.log(iterator.next().value); //1
22+ console.log(iterator.next().value); //2
23+ console.log(iterator.next().value); //3
24+ console.log(iterator.next().value); //4
25+ console.log(iterator.next().value); //5
26+
27+ //********** Array entries, keys and values
28+ console.log('Array entries, keys and values');
29+
30+ console.log('Array.entries');
31+ let aEntries = numbers.entries(); //retrieve iterator of key/value
32+ console.log(aEntries.next().value); // [0, 1] - position 0, value 1
33+ console.log(aEntries.next().value); // [1, 2] - position 1, value 2
34+ console.log(aEntries.next().value); // [2, 3] - position 2, value 3
35+
36+ console.log('Array.keys');
37+ let aKeys = numbers.keys(); //retrieve iterator of keys
38+ console.log(aKeys.next()); // {value: 0, done: false } done false means iterator has more values
39+ console.log(aKeys.next()); // {value: 1, done: false }
40+ console.log(aKeys.next()); // {value: 2, done: false }
41+
42+ console.log('Array.values');
43+ //let aValues = numbers.values();
44+ //console.log(aValues.next()); // {value: 1, done: false } done false means iterator has more values
45+ //console.log(aValues.next()); // {value: 2, done: false }
46+ //console.log(aValues.next()); // {value: 3, done: false }
47+
48+ //********** Using the from method
49+ console.log('Using the from method');
50+
51+ let evens = Array.from(numbers, x => (x % 2 == 0));
52+ console.log(evens);
53+
54+ let numbers2 = Array.from(numbers);
55+ console.log(numbers2);
56+
57+ //********** Using Array.of
58+ console.log('Using Array.of');
59+
60+ let numbers3 = Array.of(1);
61+ let numbers4 = Array.of(1,2,3,4,5,6);
62+ let numbersCopy = Array.of(...numbers4);
63+ console.log(numbers3);
64+ console.log(numbers4);
65+ console.log(numbersCopy);
66+
67+ //********** Using the fill method
68+ console.log('Using the fill method');
69+
70+ numbersCopy.fill(0);
71+ console.log(numbersCopy);
72+
73+ numbersCopy.fill(2, 1);
74+ console.log(numbersCopy);
75+
76+ numbersCopy.fill(1, 3, 5);
77+ console.log(numbersCopy);
78+
79+ let ones = Array(6).fill(1);
80+ console.log(ones);
81+
82+ //********** Using the copyWithin method
83+ console.log('Using the copyWithin method');
84+
85+ let copyArray = [1, 2, 3, 4, 5, 6];
86+ console.log(copyArray);
87+
88+ copyArray = copyArray.copyWithin(0, 3); //pos 3 value is copied to pos 0
89+ console.log(copyArray);
90+
91+ copyArray = [1, 2, 3, 4, 5, 6];
92+ copyArray = copyArray.copyWithin(1, 3, 5); //pos 3-4 values are copied to pos 1-2
93+ console.log(copyArray);
94+
95+ //********** methods find and findIndex
96+ console.log('methods find and findIndex');
97+
98+ function multipleOf13(element, index, array) {
99+ return (element % 13 == 0) ? true : false;
100+ }
101+
102+ console.log(numbers.find(multipleOf13));
103+ console.log(numbers.findIndex(multipleOf13));
104+
105+ //********** EcmaScript 7: using the method includes
106+ console.log('EcmaScript 7: using the method includes');
107+
108+ console.log(numbers.includes(15));
109+ console.log(numbers.includes(20));
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