jQuery not()
by 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").not(":even").css("background-color", "yellow"); });/* w w w. jav a 2 s . co m*/ </script> </head> <body> <p>This is a test (index 0).</p> <p>I am from java2s.com (index 1).</p> <p>This is another test (index 2).</p> <p>CSS HTML (index 3).</p> <p>I am from java2s.com (index 4).</p> <p>Javascript (index 5).</p> </body> </html>