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> HTML </title>
<script>document.createElement("myHero")</script>
<style>
myHero {
display: block;
background-color: #ddd;
padding: 50px;
font-size: 30px;
}
</style>
</head>
<body>
<h1></h1>
<p></p>
<myHero></myHero>
</body>
</html>
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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運(yùn)行結(jié)果
<!DOCTYPE html> <html> <head> <meta charset=\\\"utf-8\\\"> <title>為HTML添加新元素</title> <script>document.createElement(\\\"myHero\\\")</script> <style>myHero{ display:block; background-color:#ddd; padding:50px; font-size:30px; } </style> </head> <body> <h1>這是我的第一個(gè)標(biāo)題</h1> <p>我的第一個(gè)段落。</p> </body> </html>