XML Attribute parsing with jQurey

xml = "<?xml version='1.0' encoding='UTF-8'?><RSP request='GetAccount' rc='0'><ACCOUNTINFO AccountID='113824629' HomeCurrency='EUR' Credit='0.00' /><BALANCECUR Currency='EUR' BalCash='98.00' BalGoods='0.00' /><BALANCECURSUB Currency='EUR' SubSystemId='0' BalBonus='0.00' BalPending='0.00' BalBonusPending='0.00' Credit='0.00' BonusGroupId='0' BonusGroupT='' SubSystem='Account' SubSystemType='Root' SubSystemT='Account' /><BALANCECURSUB Currency='EUR' SubSystemId='3' BalBonus='100.00' BalPending='0.00' BalBonusPending='0.00' Credit='0.00' BonusGroupId='3' BonusGroupT='Casino' SubSystem='Casino' SubSystemType='Game' SubSystemT='Casino' /><BALANCESUB Currency='EUR' SubSystemId='0' BalTurnover='0.00' BalBonusTurnover='0.00' BalWinnings='0.00' BalBonusWinnings='0.00' BalBonusReleased='100.00' BalKickback='0.00' BalGrossTurnover='0.00' BalMileage='0.00' BalTickets='1' BalNetTurnover='0.00' BalNetBonusTurnover='0.00' BonusGroupId='0' BonusGroupT='' BonusConvert='0.00' SubSystem='Account' SubSystemType='Root' SubSystemT='Account' BonusConverted='0.00' BalPayout='0.00' BalBonusPayout='0.00' /><BALANCESUB Currency='EUR' SubSystemId='3' BalTurnover='3.25' BalBonusTurnover='0.00' BalWinnings='-2.00' BalBonusWinnings='0.00' BalBonusReleased='100.00' BalKickback='0.00' BalGrossTurnover='0.00' BalMileage='0.00' BalTickets='0' BalNetTurnover='3.25' BalNetBonusTurnover='0.00' BonusGroupId='3' BonusGroupT='Casino' BonusConvert='0.00' SubSystem='Casino' SubSystemType='Game' SubSystemT='Casino' BonusConverted='0.00' BalPayout='1.25' BalBonusPayout='0.00' /><GAMINGLIMITS Currency='EUR' ></GAMINGLIMITS><PROPERTIES  AccountName='ajamali' AccountStatus='Validated' AccountType='Player' BirthDate='1978-12-19' BonusPlan='MyBet' City='Berlin' Country='DE' Creation='2017-04-10 09:36:14;85.13.253.226' CreditLimit='0' Email='ali.jamali@mybet.com' ExternalId='611273' FirstDepositBonus='No' Firstname='Ali' HomeCurrency='EUR' Language='EN' Lastname='Jamali' LatestBonusReleased='2018021415054100001;2018021415054100001;100.00;EUR;Log-in 100€;BONUS' LatestBonusTriggered='2018021415054100001;100.00;EUR;Log-in 100€;BONUS' LatestChange='2018-02-14 10:33:51' LatestLogin='2018-02-14 15:33:30' Mobile='004915238936801' NextBroadcast='2018012409113300000' Operator='MyBet' Street='Somewhere' Universe='Default' Zip='11799'  FailedLoginLock='No' /><SESSIONINFO Id='2018021415333000001' Readonly='false' Idempotency='false' /><BONUSES><ACTIVE><BONUS BonusRef='147:2018021415054100001' BonusName='Log-in 100€' SubSystemId='3' Amount='100.00' AmountReleased='100.00' LockedCash='0.00' QType='NONE' ConvertTurnoverAmount='3500.00' CashTurnover='0.00' BonusTurnover='0.00' BonusBalance='100.00' Status='Active' ExpiryTime='2028-02-14 23:00:00' ReleaseType='BONUS' ConvertPriority='0' ConvertExpiryTime='2018-03-16 15:05:41' BonusGroupId='3' /></ACTIVE><QUALIFYING></QUALIFYING></BONUSES></RSP>"

xmlDoc = $.parseXML( xml );

BalWinnings = $($(xmlDoc).find('BALANCESUB')[1]).attr('BalWinnings');
BalBonusWinnings = $($(xmlDoc).find('BALANCESUB')[1]).attr('BalBonusWinnings');

console.info('BalWinnings :', BalWinnings);
console.info('BalWinnings :', BalBonusWinnings);