speedBtn.addEventListener('click', () => { playbackSpeed += 0.5; if (playbackSpeed > 2) { playbackSpeed = 0.5; } videoPlayer.playbackRate = playbackSpeed; speedBtn.textContent = `Speed: ${playbackSpeed}x`; });
videoPlayer.addEventListener('timeupdate', () => { const currentTime = videoPlayer.currentTime; const totalTime = videoPlayer.duration; const progress = (currentTime / totalTime) * 100; progressBar.value = progress; currentTimeSpan.textContent = formatTime(currentTime); totalTimeSpan.textContent = formatTime(totalTime); }); youtube html5 video player codepen
#speed-btn { margin-left: 10px; }