<html><head><script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script><script>$(document).ready(function(){ $("div p:last-of-type").css("background-color","yellow");});</script></head><body><p>The first paragraph in body.</p><div style="border:1px solid;"><p>The first paragraph in div.</p><p>The last paragraph in div.</p></div><br><div style="border:1px solid;"><p>The first paragraph in another div.</p><p>The last paragraph in another div.</p><span>This is a span element.</span></div><p>The last paragraph in body.</p></body></html>