<html><head><script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script><script>$(document).ready(function(){ $("button").click(function(){ $("p").wrapAll(document.createElement("div")); });});</script><style>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 all p elements</button></body></html>