5 ms·For me the worst is slice/splice.by lkschubert8 7y agoFor me the worst is slice/splice.Accacin 7y agoKind of stupid, but I imagine the 'p' in 'splice' being an axe that chops the array :D Works for me...nkozyra 7y agoI think OP was saying slice returns a mutated copy while splice mutates in place.