原页面代码
<!doctype html> <html> <head> <meta charset="utf-8"> <link rel="stylesheet" href="bootstrap-3.3.7/dist/css/bootstrap.min.css"> <script src="jquery-3.2.1.min.js"></script> <script src="bootstrap_diushi.js"></script> <style> .table{ width: 60%; margin:100px auto; } </style> <title>bootstrap样式丢失问题</title> </head> <body> <table class="table"> <tr> <td>#</td> <td>First Name</td> <td>Last Name</td> <td>Username</td> </tr> <tr> <td>1</td> <td>Mark</td> <td>Otto</td> <td>@mdo</td> </tr> <tr> <td>2</td> <td>Jacob</td> <td>Thornton</td> <td>@fat</td> </tr> <tr> <td>3</td> <td>Larry</td> <td>the Bird</td> <td>@twitter</td> </tr> </table> </body> </html>