.bossgoo-search-result .productsList-2 .proBox ").eq(0).height(); if ($(window).width() > 1040) { var prolist = $(".bossgoo-search-result .productsList-2 .proBox") if ($(this).index() >= prolist.length - (prolist.length % 4)) { $(this).css("height", proheight) } } }) })