為神魔文字沒有被渲染到div里面呢
<!DOCTYPE html>
<html>
<head>
??? <meta charset="utf-8"/>
??? <title>第一個簡單的jQuery程序</title>
??? <style type="text/css">
??????? div{
??????????? padding:8px 0px;
??????????? font-size:12px;
??????????? text-align:center;
??????????? border:solid 1px #888;
??????? }
??? </style>
??? <script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
??? <script type="text/javascript">
??????????? $(document).ready(function() {
??????????????? $("div").html("hello??? world");
??????????? });
??? </script>
</head>
<body>
??? <div></div>
</body>
</html>
2017-04-05
hello??? world已經被渲染了啊，居中，字體大小，邊框等
2017-06-22
ele.html( )就是把html（）里面的內容渲染到ele里面
2017-04-24
樓上正解