jQuery filter()
filter even element
<!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").filter(":even").css("background-color", "yellow"); });/*from w w w . j a v a 2 s.c o m*/ </script> </head> <body> <p>(index 0).</p> <p>(index 1).</p> <p>(index 2).</p> <p>(index 3).</p> <p>(index 4).</p> <p>(index 5).</p> </body> </html>