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<!DOCTYPE html>
<html>
<body>
<p>单击该按钮来创建一个包含 IMG 元素的 Figure 元素。</p>
<button onclick="myFunction()">试一试</button><br><br>
<script>
function myFunction() {
  var x = document.createElement("FIGURE");
  x.setAttribute("id", "myFigure");
  document.body.appendChild(x);
  var y = document.createElement("IMG");
  y.setAttribute("src", "/i/photo/tulip.jpg");
  y.setAttribute("width", "300");
  y.setAttribute("width", "300");
  y.setAttribute("alt", "The Tulip");
  x.appendChild(y);
}
</script>
</body>
</html>