Why doesn't the code work? I'm desperate, help plz

Question

https://code.sololearn.com/WOQvvA4ObAat/#js

Answer 1

So what you want to do if your code? Find max Element in array like that ?

https://code.sololearn.com/W7vp9LI25EJG/#js

Answer 2

yes, and set to zero max number