php ajax confirm 删除

<button name="del" type="button" class="btn btn-primary btn-xs" id="del">删除</button>

$("button[name=del]").click(function(){
            var statu = confirm("确定删除吗?");
            if(!statu){
                return false;
            }
            var operation = {$res.id};
            $.ajax({
                type:'post',
                url:"{:url('sections/del')}",
                data:{idd:operation},
                success:function(msg){
                    if(msg == 1){
                        alert( '删除成功' );
                        location.reload();
                    }else{
                        alert( '删除失败,请稍后重试' );
                    }
                },
                error:function(){
                    alert( '删除失败,请稍后重试' );
                }
            });
        });

    public function del()
   {
        $id=input('post.idd');
        $res = $this->section->del($id);
        echo json_encode($res);
   }

  /**
     * 删除
     */
    public function del($id)
    {
        $res = section::destroy(['id' => $id]);
        return $res;
    }