jquery 安全引用CDN ,可用以下模式
<script src="//ajax.aspnetcdn.com/ajax/jQuery/jquery-1.9.1.js"></script>
<script>window.jQuery || document.write('<script src="js/jquery-1.9.1.min.js"><\/script>')</script>请问怎样安全引用Jquery Mobile Js 和Css 呢?The jQuery Mobile 1.3.0 library includes the following files:http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile.structure-1.3.0.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile.structure-1.3.0.min.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile.theme-1.3.0.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile.theme-1.3.0.min.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile-1.3.0.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile-1.3.0.js
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile-1.3.0.min.css
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/jquery.mobile-1.3.0.min.js
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/ajax-loader.gif
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/ajax-loader.png
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/icons-18-black.png
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/icons-18-white.png
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/icons-36-black.png
http://ajax.aspnetcdn.com/ajax/jquery.mobile/1.3.0/images/icons-36-white.png