const numbers = [1,2,3,4,5]

  console.log(numbers.slice()) // -> it copies all  item
  console.log(numbers.slice(0)) // -> it copies all  item
  console.log(numbers.slice(0, numbers.length)) // it copies all  item
  console.log(numbers.slice(1,4)) // -> [2,3,4] // it doesn't include the ending position