var numbers = [5, 6, 2, 3, 7, 1.6, 6.9, 7.01];

var max = Math.max.apply(null, numbers);

var min = Math.min.apply(null, numbers);

console.log(max);     // 7.01

console.log(min);      // 1.6

var arr = [1, 2, 3, 4, 5, 5, 4.9, 4.95, 5.01, 0.98]

var maxArr = Math.max(...arr)

var minArr = Math.min(...arr)

console.log(maxArr);

console.log(minArr);