Basic-JavaScript/arrowFn.js at main · JuanPRivera/Basic-JavaScript · 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
35
36
37
38
39
40
41
42
43
44
45
46
47

//Funciones con la palabra reservada function

function Fn(){
    this.nombre = 'Juan'
    this.apellido = 'Rivera'
}

Fn.prototype.lala = function prototype(){}

const r = new Fn();
//console.log(r.__proto__);

//------------------------------------------------------------
// fat arrow function

//console.log(this);
const fatFn = () => { //No tienen contexto
    const obj = {}
    this.prop = 'propiedad';
    obj.prop = 'propiedad obj'
    return obj;
}
const r1 = fatFn();
//console.log(this);

//console.log(r1);

//-------------------------------------------------------------
//Return implicito

const fnR = () => 2

//console.log(fnR());

const hol = function (){
    this.holita = 'holita'
    console.log(this);
}

const hol2 = ()=>{
    console.log(this);
}

hol();

hol2();