菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
	</head>
<body>

<div id="test">
  <p>点击按钮获取 div 最近的祖先元素:</p>
  <p><button onclick="myFunction()">点我</button></p>
  <p>offsetParent 为: <span id="demo"></span></p>
</div>

<script>
function myFunction() {
  var testDiv = document.getElementById("test");
  document.getElementById("demo").innerHTML = testDiv.offsetParent;
}
</script>

</body>
</html>
              