数据处理

gistfile1.coffee

isInteger=(n)->
    n%1 == 0
    
foo=(num)->
    num=parseInt num, 10
    re=[]
    if num == 0
        return num
        
    while num > 0
        remainder = num%1000
        num=parseInt(num/1000,10)
        re.unshift remainder
    return re.join ","
    
bar=(num)->
    if isInteger num
        foo num
    else
        nums=(num+"").split "."
        foo(nums[0]) + "." + foo(nums[1].split("").reverse().join("")).split("").reverse().join("")
    

console.log bar 0
console.log bar 1
console.log bar 23
console.log bar 234
console.log bar 2345
console.log bar 23456
console.log bar 234567
console.log bar 2345678

console.log bar 0.0
console.log bar 1.1
console.log bar 23.23
console.log bar 234.234
console.log bar 2345.2345
console.log bar 23456.23456
console.log bar 234567.234567
console.log bar 2345678.2345678