<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
    $("p:nth-last-of-type(odd)").css("background-color", "yellow");
    $("p:nth-last-of-type(even)").css("background-color", "pink");  
});
</script>
</head>
<body>

<p>The first paragraph in body (even).</p>
<p>The last paragraph in body (odd).</p>

<div style="border:1px solid;">
  <p>The first paragraph in div (even).</p>
  <p>The second paragraph in div (odd).</p>
  <p>The third paragraph in div (even).</p>
  <p>The last paragraph in div (odd).</p>
  <span>This is a span element.</span>
</div><br>

<div style="border:1px solid;">
  <p>The first paragraph in another div (even).</p>
  <p>The second paragraph in another div (odd).</p>
  <p>The third paragraph in another div (even).</p>
  <p>The last paragraph in another div (odd).</p>
</div>

</body>
</html>