15_largest_number_inArray.js

// return the largest number of a Two-dimensions Array


function largestOfFour(arr){
    
    var maxes = [];
    for (var i = 0; i<arr.length; i++){
        var tempMax = arr[i][0];
        for (var j = 0; j <arr[i].length; j++){
           var currentElement = arr[i][j];
           if(currentElement > tempMax){
               tempMax = currentElement;
           }
        }
        maxes.push(tempMax); 
    }
    return maxes;
}


function effectiveLargestOfFour(arr){

    var maxes = [0,0,0,0];
    for (var i =0; i < arr.length; i++) {
        for (var j =0; j <arr[i].length; j++){
            var currentElement = arr[i][j];
            if(currentElement > maxes[i]){
                maxes[i] = currentElement;
            }
        }
    }
    return maxes;
}
    


console.log(largestOfFour([[4,5,1,3],[13,27,18,26],[32,35,37,39],[1000, 1001,857,1]]));
console.log(effectiveLargestOfFour([[4,5,1,3],[13,27,18,26],[32,35,37,39],[1000, 1001,857,1]]));