Javascriptの分割代入

配列の分割代入

let data = [10, 20, 30, 40, 50];
let [x0, x1, x2, x3, x4] = data

console.log(x0);
console.log(x1);
console.log(x2);
console.log(x3);
console.log(x4);

実行結果

10
20
30
40
50

オブジェクトの分割代入

let car = {manufacturer: "TOYOTA", color: "white", price: 2500000};
let {color, model, price} = car

console.log("color: " + color);
console.log("model: " + model);
console.log("price: " + price);

実行結果

color: white
model: undefined
price: 2500000