<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("body").append($("p:first").clone(true));
});
$("p").click(function(){
$(this).animate({fontSize:"+=1px"});
});
});
</script>
</head>
<body>
<p>Click this paragraph to increase text size.</p>
<p>This is another paragraph.</p>
<button>Copy the first p element (including event handlers), and append to body element</button>
</body>
</html>