Olawale/FreeCodeCamp Algorithm: Return Largest Number in an Array

largest_number_in_array.js

function largestOfFour(arr){    
	
  return arr.map(function(subarr){
    
   return Math.max.apply(null, subarr);
              
  });
    }

largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);
/**
Old solution below

function largestOfFour(arr){    
	// Create an empty array to store the largest item in each array 
        var bigBoys = [];
		// Do Loop through each array.
        for(var item in arr){
			// Find the largest values in the array and push it into the bigBoys array
            bigBoys.push(Math.max.apply(null, arr[item]));
              }
		// Return the array of large values
        return bigBoys;
    }

*/