<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").wrap(document.createElement("div"));
});
});
</script>
<style type="text/css">
div{background-color:yellow;}
</style>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<button>Create a new div and wrap around each p element</button>
</body>
</html>