如何在HTML中包含不支持
HTML<noembed>标记用于处理不支持<embed>标记的浏览器。<noembed>标记可轻松提供替代内容，以告诉用户他们缺少的内容。
示例
<!DOCTYPE html>
<html>
<head>
<title>HTML noembed Tag</title>
</head>
<body>
<embed src = "/html/yourfile.swf" width = "200" height = "200" >
<noembed><img src = "yourimage.gif" alt = "Alternative Media" ></noembed>
</embed>
</body>
</html>