Tambahkan vakue kunci ke depan objek
let obj = {'b': 2, 'c': 3};
Object.assign({a: 1}, obj);
// Object {a: 1, b: 2, c: 3}
Splendid Stag
let obj = {'b': 2, 'c': 3};
Object.assign({a: 1}, obj);
// Object {a: 1, b: 2, c: 3}
var arr = [
{ key: 'b', value: 2 },
{ key: 'c', value: 3 }
];