Return an array consisting of the largest number from each provided sub-array. For simplicity, the provided array will contain exactly 4 sub-arrays.
Remember, you can iterate through an array with a simple for loop, and access each member with array syntax arr[i].
Here are some helpful links:
function largestOfFour(arr) {
var out = [];
for (var i = 0; i < arr.length; i++) {
var iii = 0;
for (var a = 0; a < arr[i].length; a++) {
if (iii < arr[i][a]) {
iii = arr[i][a];
}
}
out.push(iii);
}
console.log("RETURN => ", out);
overlay([out]);
return out;
}