jq extned() 输入框输入值超过999就有bug？

Question

<!DOCTYPE >
<>
<>
    <>
    <></>
    <>
        {
            :;
            :;
        }
        .{
            :;
            :;
            : ;
        }


    </>
    </>
    <></>
</>

<>
<>
    <>
        <></></>
        <>
                    </></>
                    </>
                    </>
                </>
    </>
    <>
        <></>
    </>
</>

<>
     (() {
        .({
            (, ) {
                () ;
            }
        });
    })(jQuery);
    $(() {
        $().(, () {
            $().();
            strTmp ;
            num1$().();
            num2$().();
            strTmp $.(num1, num2);
             $().().(strTmp);
        });
    });
</>
</>
</>

Answer 1

extend()