// dark mode toggle function toggleDarkMode() document.body.classList.toggle('dark');
// Auto-rotation function startAutoRotate() if (intervalId) clearInterval(intervalId); if (playlist.length === 0) return; isPlaying = true; intervalId = setInterval(() => if (playlist.length > 0) currentIndex = (currentIndex + 1) % playlist.length; updateDisplay(); , 3000); font playlist script
// export/import function exportPlaylist() const dataStr = JSON.stringify( fonts: playlist, savedText: userMessageTextarea.value , null, 2); const blob = new Blob([dataStr], type: "application/json"); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = "fontPlaylist.json"; a.click(); URL.revokeObjectURL(url); // dark mode toggle function toggleDarkMode() document