發生錯誤: TypeError: Cannot use 'in' operator to search for 'elapsedTime' in <!DOCTYPE html>
<html lang="en">
<head>
<title>We'll be right back!</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body { margin: 0; padding: 0; height: 100%; overflow: hidden }
#content { position:absolute; left: 0; right: 0; bottom: 0; top: 0px }
</style>
</head>
<body>
<div id="content">
<iframe width="100%" height="100%" src="https://s.plurk.com/maintenance/index.html"></iframe>
</div>
</iframe>
</body>
</html>。