function pad(n) { return n < 10 ? '0' + n : '' + n; } function tick() { var diff = Math.max(0, getEndTime() - Date.now()); var totalSeconds = Math.floor(diff / 1000); var elM = document.getElementById('fs-cart-minutes'); var elS = document.getElementById('fs-cart-seconds'); if (elM) elM.textContent = pad(Math.floor(totalSeconds / 60)); if (elS) elS.textContent = pad(totalSeconds % 60); } tick(); setInterval(tick, 1000); })();