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()