Thanks again.
Yes, I intend to use this solution to store data. In this case, I will store the entire array in the local storage, right?
You said I can use the array coordinates to store the information, but how can I do that? I believe that if I have 4 columns I have to use "Y" coordinate but from 0 and keep this position in the X coordinate for all the information to be at the top of the list (like this: (0,0/0,1/0,2/...). Is that right? If you
Understanding this is the most complicated for me until now. If you could post a pseudo code here I think it would illustrate this very well.