<!DOCTYPE html> <html> <html lang="zh-cn"> <meta charset="UTF-8"> <title>Bootstrap</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Bootstrap --> <link href="css/bootstrap.min.css" rel="stylesheet" media="screen"> </head> <body> <h1>Hello, world!收到</h1> <script src="js/jquery.js"></script> <script src="js/bootstrap.min.js"></script> </body> </html>
1、HTML5
2、meta - viewport
3、css
4、js