<html>
<head>
<link rel="stylesheet" href="https://libs.baidu.com/jquerymobile/1.4.2/jquery.mobile.min.css">
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script src="https://libs.baidu.com/jquerymobile/1.4.2/jquery.mobile.min.js"></script>
<script>
$(document).on("pageinit",function(event){
$(window).on("orientationchange",function(){
alert("The orientation has changed!");
});
});
</script>
</head>
<body>
<div data-role="page">
<div data-role="header">
<h1> orientationchange 事件</h1>
</div>
<div data-role="content">
<p>翻转设备!</p>
<p><b>注意：</b>你必须使用一个移动设备或移动仿真器查看事件运行效果。</p>
</div>
<div data-role="footer">
<h1>底部文本</h1>
</div>
</div>
</body>
</html>