Return Largest Numbers in Arrays ! solution please?

[Annestezia]

@dipitmaurya

[[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]

you need a compare function 4 ur .sort() mdn docs;
when compared as strings 857 is larger than anything starting with 1