i think it is a good thing you are reading and getting confused, that’s essentially what is supposed to happen exactly. It is a bit like one step forward, two steps back.
I think when you are faced with a coding problem that can’t be solved with what you understand, you will find yourself reaching for the stuff you don’t understand to help you and then things will click better.
but in the meantime if you want more reading, someone just asked about destructuring earlier:
And also I explained spread and rest to someone as well recently: