摘要：
```jsfunction padding0ToHeader(num1,num2){ let a = num1.toString() let b = num2.toString() let maxLength = Math.max(a.length,b.length) a=a.padStart(maxLength,0) b=b.padStart(maxLength,0... 阅读全文
摘要：
```jsfunction addBigNumber(num1,num2){ return BigInt(num1)+BigInt(num2)}``` 阅读全文