In the code I've used array splice method, why it only removes one item ? As I've used -1 as index and 3 as remove count. Help!

Question

https://code.sololearn.com/W0BAg5c8JGo7/?ref=app

Answer 1

-1 is last,
3 items from last is only last,
if you want to remove last three,
should be splice(-3,3)

Answer 2

Oh, Thanks!😊
My bad !