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。
<!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>