Result
jQuery
$('li').each(function(index){ //3つごとに設定 if(Math.floor(index/3)%2==0){ //classを付加 $(this).css('color','blue'); }else{ $(this).css('color','red'); }; }); |
html
<ul><li>list01</li><li>list02</li> ・ ・ ・<li>list14</li><li>list15</li><li>list16</li></ul> |
via
How to target list items per two lists instead of even or odd – Stack Overflow
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