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The example is a="2,322.222",b='1,211.21', how to perform subtraction in angualr
小伙看你根骨奇佳，潜力无限，来学PHP伐。
function(a, b) { a = a.replace(',', ''); b = b.replace(',', ''); return (+a - +b).toFixed(2); }
使用split(',')按找‘，’分成多个数组，根据长度判断，比如a就是 21000 b就是 11000，更多逗号，就是根据长度判断，长度为3就是下标为0的时候10001000 考虑 Math.pow(10,n * 3) 方法，装换成数字进行相减。可以试试
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
使用split(',')按找‘，’分成多个数组，根据长度判断，比如a就是 21000 b就是 11000，更多逗号，就是根据长度判断，长度为3就是下标为0的时候10001000 考虑 Math.pow(10,n * 3) 方法，装换成数字进行相减。可以试试