when i user local js,css file,the html in browser has no style

when i user local js,css file,the html in browser has no style

when i user local js,css file,the html in browser has no style,but when i user the cdn url,every thing is right

  2. <!DOCTYPE html>
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  4. <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  6.     <link rel="stylesheet" href="js/jquery.mobile-1.4.2.css" />
  7.     <script type="text/javascript" src="js/jquery.mobile-1.4.2.js"></script>
  8.     <script type="text/javascript" src="js/jquery-2.1.1.js"></script>
  9.     <!--<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css">
  10.     <script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
  11.     <script src="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.js"></script>-->
  12. </head>
  13. <body>
  14.     <div data-role="page">
  15.         <div data-role="header">
  16.             <a href="#" data-role="button">back</a>
  17.             <h1>title</h1>
  18.             <a href="#" data-role="button">action</a>
  19.         </div>
  20.         <div data-role="content">
  21.             <p>content</p>
  22.         </div>
  23.     </div>
  24. </body>
  25. </html>