<!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","#pagetwo",function(event){
alert("pagebeforeshow event fired - pagetwo is about to be shown");
});
</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>Page One</p>
<a href="tryit.asp-filename=tryjqmob_event_pagebeforeshow.html#pagetwo">Go to Page Two</a>
</div>
<div data-role="footer">
<h1>Footer Text</h1>
</div>
</div>
<div data-role="page" id="pagetwo">
<div data-role="header">
<h1>Header Text</h1>
</div>
<div data-role="main" class="ui-content">
<p>Page Two</p>
<a href="tryit.asp-filename=tryjqmob_event_pagebeforeshow.html#pageone">Go to Page One</a>
</div>
<div data-role="footer">
<h1>Footer Text</h1>
</div>
</div>
</body>
</html>