Questions revolve around JS scope and closures, recursion, and some basic OOP.
Utilisateur anonyme
It's essential to demonstrate that you can really go deep... there are plenty of followup questions and (sometimes tangential) angles to explore. There's a lot of Software Engineer - Front End experts who've worked at SquareSpace, who provide this sort of practice through mock interviews. There's a whole list of them curated on Prepfully. prepfully.com/practice-interviews