옵션 선택 수량 가져오기

var opt_prc;
if(parseInt(price) > 0)
    opt_prc = "+"+number_format(String(price))+"원";
else if(parseInt(price) == 0)
    opt_prc = "";
else
    opt_prc = number_format(String(price))+"원";


opt += "<li class=\""+li_class+"\">";
opt += "<input type=\"hidden\" name=\"io_type["+item_code+"][]\" value=\""+type+"\">";
opt += "<input type=\"hidden\" name=\"io_id["+item_code+"][]\" value=\""+id+"\">";
opt += "<input type=\"hidden\" name=\"io_value["+item_code+"][]\" value=\""+option+"\">";
opt += "<input type=\"hidden\" class=\"io_price\" value=\""+price+"\">";
opt += "<input type=\"hidden\" class=\"io_stock\" value=\""+stock+"\">";
opt += "<div class=\"opt_name\">";
opt += "<span class=\"sit_opt_subj\">"+option+"</span>";
opt += "</div>";
opt += "<div class=\"opt_count\">";
opt += "<button type=\"button\" class=\"sit_qty_minus\"><i class=\"fa fa-minus\" aria-hidden=\"true\"></i><span class=\"sound_only\">감소</span></button>";
opt += "<input type=\"text\" name=\"ct_qty["+item_code+"][]\" value=\"1\" class=\"num_input\" size=\"5\">";
opt += "<button type=\"button\" class=\"sit_qty_plus\"><i class=\"fa fa-plus\" aria-hidden=\"true\"></i><span class=\"sound_only\">증가</span></button>";
opt += "<span class=\"sit_opt_prc\">"+opt_prc1+"</span>";
opt += "<button type=\"button\" class=\"sit_opt_del\"><i class=\"fa fa-times\" aria-hidden=\"true\"></i><span class=\"sound_only\">삭제</span></button></div>";
opt += "</li>";