My code is failing at any subarray with all negative values

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**

function largestOfFour(arr) {
let maxArray = [];
for(let i =0; i<arr.length; i++){
  let max = Number.MIN_VALUE;
  for(let j=0; j<4; j++){
    if(max < arr[i][j]) max = arr[i][j];
  max = Number.MIN_VALUE;
return maxArray;

largestOfFour([[17, 23, 25, 12], [25, 7, 34, 48], [4, -10, 18, 21], [-72, -3, -17, -10]]);
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36

Challenge: Return Largest Numbers in Arrays

Link to the challenge:

check what this is - it’s a positive value so it is bigger than any negative value

Rather than using some special value, personally I find it more natural to use a number that I know is in the current sub-array.

can you what works in js if I want the largest negative value?

What have you tried to use as your search term in Google? I get a pretty good result when I use “largest negative value javascript” as my search term.

(Again, this approach is not needed, as you can just use one of the elements in the sub-array as your initial guess of the max value in the sub-array)

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