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>
<script>
function getRelatedElement(event){ 
	alert("鼠标指针移到了 " + event.relatedTarget.tagName + " 元素");
}
</script>
</head>
<body>

<p onmouseover="getRelatedElement(event)">鼠标移到这一段。</p>

</body>
</html>
              