constMoneyTest((〔19〕d)0)(。d{0,2}){0,1}; constcomdifyfunction(n){ if(!n) letstrn。split(。); letred{1,3}(?(d{3}))g; letn1str〔0〕。replace(re,,); returnstr。length1str〔1〕?{n1}。{str〔1〕}:{n1}。00; }; constdelcommafyfunction(num){ if(!num) numnum。toString(); numnum。replace(,gi,); }