find highest value in array javascript

1
2//For Values
3var arr =[1,10,3]
4var min = Math.min.apply(null, arr),
5    max = Math.max.apply(null, arr);
6
7//For Objects
8var arr = [{a: 1},{a: 10},{a: 3}]
9var values = arr.map(val => val.a);
10var max = Math.max.apply(null, values);
11console.log(max)
12

1var peopleData = [ 
2    { name: "Paul", height: 180, age: 21 },
3    { name: "Johnny", height: 198, age: 43 },
4    { name: "Brad", height: 172, age: 49 },
5    { name: "Dwayne", height: 166, age: 15 }
6];
7
8//Find biggest height number
9var maxHeight = 0;
10
11for (var i = 0; i < heights.length; i++) {
12    if (peopleData[i].height > maxHeight) {
13        maxHeight = peopleData[i].height;
14      //if you console.log(maxHeight); you should get 198
15    }
16}

1var arr = [1, 2, 3];
2var max = arr.reduce(function(a, b) {
3  return Math.max(a, b);
4});

1const max = arr => Math.max(...arr);

1const array1 = [1, 3, 2];
2
3Math.max(...array1);
4// expected output: 3

1const array = [10, 2, 33, 4, 5];
2
3console.log(Math.max(...array)
4)