Javascript examples for jQuery Method and Property:removeClass
Remove class by index, Remove class "myClass" from the li elements with index 0 and 1
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("li").removeClass(function(n) { if (n==0||n==1) {//from ww w . j a va 2 s . com return "myClass" } else { return ""; } }); }); }); </script> <style> .myClass { color:red; } </style> </head> <body> <h1>This is a heading</h1> <ul> <li class="myClass">Peter</li> <li class="myClass">Lois</li> <li class="myClass">Chris</li> <li class="myClass">Stewie</li> </ul> <button>test</button> </body> </html>