Javascript 第五章
<html> <head> <meta charset=utf-8> <title></title> </head> <body> <h1>非平稳退化,如果浏览器禁用javascript,则会变得很糟糕</h1> <a href="#" onclick="popUp('http://www.baidu.com');return false">Example1</a> <h1>平稳退化Graceful degradation</h1> <a href="http://www.baidu.com" onclick="popUp(this.href);return false">Example2</a>
<script> function popUp(url){ window.open(url,"popUp","width=320,height=480"); } </script> </body> </html>