自慰一区二区三区动漫,爆乳一区二区三区视频

                        課程
                    
                        /前端開發
                        
                            /JavaScript
                        
                        /JavaScript入門篇

<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
<title>style樣式</title>
</head>
<body>
??<h2?id="con">I?love?JavaScript</H2>
??<p>?JavaScript使網頁顯示動態效果并實現與用戶交互功能。</p>
??<script?type="text/javascript">
????var?mychar=?document.getElementById("con");
????mychar.style.color="red";
????mycher.style.backgroundColor="#CCC";
????mycher.style.width=300px;
??</script>
</body>
</html>