代码示例:(标识:htmldom_object_get)
<!DOCTYPE html>
<html>
<body>

<h1>演示如何访问 OBJECT 元素</h1>

<object id="myObject" width="641" height="360" data="/static/demo/video/shanghai.mp4">
</object>

<p>单击该按钮可获取嵌入式视频文件的 URL。</p>

<button onclick="myFunction()">试一试</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myObject").data;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>
运行结果: