Get all the numbers between 2 numbers JAVASCRIPT

Math.max()
will get the highest number in the array
Math.min()
will get the lowest number in the array

...arr will copy all the content of the array passed

---

function sumAllBetween(arr){
    let highNum = Math.max(...arr)
    let lowNum = Math.min(...arr)
    let arrayBetween = []

    for(let i = lowNum; i <= highNum; i++){
arrayBetween.push(i)
    }
    return arrayBetween

}

console.log([9, 1])

---

This code will return

[
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8,
  9
]