...
const names = ['영은', '호두', '자두'];
const anotherNames = [...names, '준수'];
const numbers = [1, 2, 3, 4, 5];
const spreadNumbers = [...numbers, 1000, ...numbers];
console.log(spreadNumbers); // [1, 2, 3, 4, 5, 1000, 1, 2, 3, 4, 5]
{ 복사하지 않을 것, ...rest }