SOURCE

function range(num, min, max) {
  return Math.min(Math.max(num, min), max);
}
const a = range(1,10,20)
console.log(a)
console.log(Math.max(1,10))
console.log(Math.min(10,20))

console.log(Math.max.apply(this, [1,3,5,7,9,]))
console.log(Math.min.apply(this, [2,4,6,8,]))