Before you spend a single dollar, you must choose your medium. The definition of a has split into two distinct camps.
// User watchlist (localStorage) let watchlist = JSON.parse(localStorage.getItem('movieVault')) || []; HUGE MOVIES COLLECTION
The standard, though it can separate sequels with different names (e.g., Batman Begins and The Dark Knight ). Before you spend a single dollar, you must
function toggleWatchlist(movie) if (!movie) return; const exists = watchlist.some(w => w.id === movie.id); if (exists) watchlist = watchlist.filter(w => w.id !== movie.id); else watchlist.push( id: movie.id, title: movie.title, year: movie.year ); Before you spend a single dollar
: The ability to sort by technical specs (4K vs. HD), genre, or release year is critical when navigating thousands of titles. For Streaming Large Catalogs