Video Speed Controller: HTML5 video playback control

// Get video element and control playback speed
const video = document.querySelector('video');

// Increase speed (D key functionality)
function increaseSpeed() {
  video.playbackRate = Math.min(video.playbackRate + 0.25, 4.0);
  console.log(`Speed: ${video.playbackRate}x`);
}

// Decrease speed (S key functionality)
function decreaseSpeed() {
  video.playbackRate = Math.max(video.playbackRate - 0.25, 0.25);
  console.log(`Speed: ${video.playbackRate}x`);
}

// Reset to normal speed (R key functionality)
function resetSpeed() {
  video.playbackRate = 1.0;
  console.log('Speed reset to 1.0x');
}