just repeat it with console.log in every step. its really great solution

please, tell me why are you doing code like this, is it an element of some training, what is this train?

найбільш читабельне рішення з поміж всих

cant understand how it works, in a first if we compare first and last element in array, and in case if it aint equal moving forward.. but how it works when array is like [ 0, 0, 1, 0, 0 ] here are the first and last element are the same

for this time i dont know that the Set can work so, it's a real magic for me, it's realy awesome

what method slice doing here?

thanks, i gas i dumb i dont understand anything(

how does it work, when indexOf works one time with one item?

What is "Set"? i didn't find about it nothing.

genious

How does it works???? anyone can to explain?

how it works.? in one case function arr.pop() delete last character, another way it appear a last element.. and there is no different syntax... magic

awesome... look for a hour to understand it... dont