App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("#p1").mouseleave(function(){
    alert("再见，您的鼠标离开了该段落。");
  });
});
</script>
</head>
<body>
<p id="p1">这是一个段落。</p>
</body>
</html>
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