在Bootstrap中使用.collapse类来指示可以隐藏或显示的可折叠内容
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet"> <script src = "/scripts/jquery.min.js"></script> <script src = "/bootstrap/js/bootstrap.min.js"></script> </head> <body> <div class = "container"> <h2>More learning content</h2> <a href = "#test" class="btn btn-info" data-toggle = "collapse">More</a> <div id = "test" class = "collapse"> We have learning content on Java, PHP, Ruby, C, C++, etc. </div> </div> </body> </html>