layui改变字体颜色或者背景颜色

//改变文字颜色

done: function(res, curr, count) {
                if(res.data.length > 0) {
                    $.each(res.data, function(ii, dd) {
                        if(NOTNULL(dd.islatetime)) {
                            if(parseInt(dd.islatetime)>0) {
                                $($(".layui-table-body.layui-table-main tr")[ii]).css("color", "red");
                                $($("div .layui-table-fixed.layui-table-fixed-l .layui-table-body tr")[ii]).css("color", "red");
                            }
                        }
                    });
                }
            }

//改变背景颜色

done: function(res, curr, count) {
				if(res.data.length > 0) {
					$.each(res.data, function(ii, dd) {
						if(NOTNULL(dd.islatetime)) {
							if(parseInt(dd.islatetime)>0) {
								$($(".layui-table-body.layui-table-main tr")[ii]).css("background-color", "red");
								$($("div .layui-table-fixed.layui-table-fixed-l .layui-table-body tr")[ii]).css("background-color", "red");
							}
						}
					});
				}
			}