In this simple assignment you are given a number and have to make it negative. But maybe the number is already negative?

makeNegative(1); // return -1
makeNegative(-5); // return -5
makeNegative(0); // return 0
makeNegative(0.12); // return -0.12

내답:

num makeNegative(n) => -(n.abs());

num makeNegative(n) => -n.abs();

num makeNegative(n) => n > 0 ? -n : n;