HTML标签介绍

<!DOCTYPE html>
<html>
   <head>
       <meta charset="UTF-8"> 
       <title>html标签介绍</title>
　　 <body>　　
       <div id="a"></div>
       <div class="cc"></div>
       <button> 

       </button>

       <iframe src="" width="" height=""></iframe> 

       <img src="图片路径" alt="显示失败时" title="鼠标放上时" />

        <a href=""></a> 
        <b>粗体</b>
        <br /> 
        <div></div>

        <i>斜体</i>
        <script type="text/javascript">

        </script>


       <style type="text/css">

        </style>


       <span>
           123
        </span>
        <span>
           123
        </span>
   </body>