week1-code-examples/arrow-functions.js at master · dgallinger/week1-code-examples · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// function exampleWithArguments() {
//     console.log(arguments);
// }

const shoppingList = [
    'apples',
    'eggs',
    'easter chocolate',
    'ham',
    'spinach'
];

// shoppingList.forEach(function(item) {
//     console.log(item);
// });

// shoppingList.forEach(item => console.log(item));

// console.log(
//     shoppingList.map(item => item.toUpperCase())
// );

// shoppingList.forEach((item) => console.log(item));

// shoppingList.forEach((item, idx) => console.log(idx, item));

function Announcer() {
    this.message = 'Message to announce';

    setTimeout(() => console.log(this.message), 1000);
}

const announcer = new Announcer();
announcer.message = 'A new message';