SOURCE

const obj1 = {
    id: 7,
    name: 'jinle'
}

const obj2 = { name: 'ssszzz', ...obj1}
const obj3 = { ...obj1, name: 'ssszzz'}
console.log('obj1', obj1)
console.log('obj2', obj2)
console.log('obj3', obj3)

const arr1 = [1, 2, 3]
const arr2 = [...arr1, 3]
console.log('arr1', arr1)
console.log('arr2', arr2)