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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
});
}
}
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