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So addListItemsButtons(lis[i]) enters the function with the argument lis that refers to the const variable created to select the li element.
Then inside the other function is called with the li element as argument because this other li variable only exists inside that function right?
Dehn Hunsworth7,189 Points
A little bit more of your code or a link to the lesson/challenge would be good for someone to help you.
See the Markdown Cheatsheet below if needed.