源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://apps.bdimg.com/libs/jquerymobile/1.4.5/jquery.mobile-1.4.5.min.css"> <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="https://apps.bdimg.com/libs/jquerymobile/1.4.5/jquery.mobile-1.4.5.min.js"></script> <script> $(document).on("pagecreate",function(event){ $(window).on("orientationchange",function(){ if(window.orientation == 0) { $("p").text("方向已经变为 portrait!").css({"background-color":"yellow","font-size":"300%"}); } else { $("p").text("方向已经变为 landscape!").css({"background-color":"pink","font-size":"200%"}); } }); }); </script> </head> <body> <div data-role="page"> <div data-role="header"> <h1> orientationchange 事件</h1> </div> <div data-role="main" class="ui-content"> <p>请试着旋转您的设备！</p> <p><b>注释：</b>您必须使用移动设备或者移动模拟器来查看该事件的效果。</p> </div> <div data-role="footer"> <h1>页脚文本</h1> </div> </div> </body> </html>
运行结果