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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
import QtQml
QtObject {
function set1() {
const array = [1,2,3,4];
const [a, b] = [1,2];
const [aa, , bb] = array;
const [aaa = 23, bbb] = array;
const [a1, b1, ...rest1] = array;
const [a2, , b2, ...rest2] = array;
const [a3, b3, ...{ pop, push }] = array;
const [a4, b4, ...[c, d]] = array;
const obj = {_a:1,_b:2};
const { a5, b5 } = obj;
const { a6: a_, b6: b1_ } = obj;
const { a7: a11 = 4, b11 = 34, c1: b111, d1 } = obj;
let key = a;
const { [key]: a___ } = obj;
}
function set2() {
// declare first
let a, b, a1, b1, c, d, rest, pop, push;
const array = [1,2,3,4];
[a, b] = array;
[a, , b] = array;
[a = aDefault, b] = array;
[a, b, ...rest] = array;
[a, , b, ...rest] = array;
[a, b, ...{ pop, push }] = array;
[a, b, ...[c, d]] = array;
const obj = {_a:1,_b:2};
({ a, b } = obj); // brackets are required
({ a: a1, b: b1 } = obj);
const complicatedObject = {
a: 1,
b: {
c: 2,
d: {
e: 3,
f: [4, 5, 6]
}
},
g: [7, 8, 9]
};
const { patron, b: { mafik, d: { e, f: [ , secondF, ...restF ] } }, g: [ firstG, ...restG ] } = complicatedObject;
}
Component.onCompleted: {
const myFunction = (myLambda) => {
const myObject = {
a: 1,
b: {c: 2, d: [3, 4, 5] }, e: {
f: 6,
g: { h: 7, i: [8, 9, 10]
}
}
};
myLambda(myObject);
};
myFunction(({ a, b: { c, d: [ firstD ] }, e: { f, g: { h, i: [ , secondI ] } } }) => {
console.log(a); // 1
console.log(c); // 2
console.log(firstD); // 3
console.log(f); // 6
console.log(h); // 7
console.log(secondI); // 9
});
}
}
|
