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<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap 实例 - 排版</title> <!-- Bootstrap --> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> </head> <body> <div class="container"> <h2>排版</h2> <p>设置 pre 元素可滚动：</p> <pre class="pre-scrollable"> 内容可滚动 Text in a pre element is displayed in a fixed-width font, and it preserves both spaces and line breaks. Text in a pre element is displayed in a fixed-width font, and it preserves both spaces and line breaks. </pre> </div> <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> </body> </html>
运行结果：