only keep largest number in array javascript code example

Example 1: javascript largest number in array

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

Example 2: get largest number in array javascript

const array1 = [1, 3, 2];

Math.max(...array1);
// expected output: 3

Example 3: rite a function that takes in an array of numbers and outputs the maximum number.

function largestOfFour(arr) {
  return arr;
}
largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);