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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css"> <script src="http://code.jquery.com/jquery-1.11.3.min.js"></script> <script src="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script> <script> $(document).on("pagebeforeshow",function(event){ $("span").text(event.type); }); </script> </head> <body> <div data-role="page" id="pageone"> <div data-role="header"> <h1>Header Text</h1> </div> <div data-role="main" class="ui-content"> <p>The <span style="color:red">unknown</span> event was triggered.</p> </div> <div data-role="footer"> <h1>Footer Text</h1> </div> </div> </body> </html>