将JSON文件中的文本放到HTML5视频中

var jsonText = '{"text": "Hello, World!"}';
var jsonObj = JSON.parse(jsonText);
var text = jsonObj.text;

<video id="myVideo" controls>
  <source src="video.mp4" type="video/mp4">
</video>

var video = document.getElementById("myVideo");
var textElement = document.createElement("div");
textElement.innerText = text;
video.appendChild(textElement);

#myVideo {
  position: relative;
}

#myVideo div {
  position: absolute;
  top: 10px;
  left: 10px;
  color: white;
  font-size: 20px;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 10px;
}