jQuery Selector :nth-child()
with odd and even
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("p:nth-child(odd)").css("background-color", "yellow"); $("p:nth-child(even)").css("background-color", "pink"); });//from w ww . j av a 2s. c o m </script> </head> <body> <p>The first p element in body, and the first child in body (odd).</p> <p>The last p element in body, and the last child in body (even).</p> <div style="border:1px solid;"> <span>This is a span element, the first child in div.</span> <p>The first p element in div, and the second child in div (even).</p> <p>The second p element in div, and the third child in div (odd).</p> <p>The third p element in div, and the fourth child in div (even).</p> <p>The last p element in div, and the last child in div (odd).</p> </div><br> <div style="border:1px solid;"> <p>The first p element in another div, and the first child in another div (odd).</p> <p>The second p element in another div, and the second child in another div (odd).</p> <p>The third p element in another div, and the third child in another div (odd).</p> <p>The last p element in another div, and the last child in another div (odd).</p> </div> </body> </html>