spread operator
const list = [1, 2, 3]
const list2 = [ ...list, 4] // [1, 2, 3, 4]
const obj = { a: 'foo', b: 1 }
const obj2 = { ...obj, b: 2, c: 'bar' } // { a: 'foo', b: 2, c: 'bar' }
const prop = { className: 'my-class', style: { color: ‘white’ } }
const div = (
foo bar
)
//