如何创建自定义按钮播放视频

<div id="video-container">
  <video id="video-player" src="video.mp4"></video>
  <button id="play-button">播放</button>
</div>

#video-container {
  position: relative;
  width: 640px;
  height: 360px;
}

#video-player {
  width: 100%;
  height: 100%;
}

#play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 10px 20px;
  font-size: 16px;
}

var video = document.getElementById('video-player');
var playButton = document.getElementById('play-button');

playButton.addEventListener('click', function() {
  if (video.paused) {
    video.play();
    playButton.textContent = '暂停';
  } else {
    video.pause();
    playButton.textContent = '播放';
  }
});