SOURCE

const moneyConversion = ( v ) => {
    let unit = {
        1: '元',
        2: '十',
        3: '百',
        4: '千',
        5: '万',
        6: '十',
        7: '百',
        8: '千',
        9: '亿',
        10: '十',
        11: '百',
        12: '千',
    }
   let ints = [...String(parseInt(v))].reverse().join('');
   let info = []
   for(let i = 0 ; i < ints.length; i++ ){
       console.log(i,ints)
       if(ints[i] != 0) {
           info.push(`${ints[i]}${unit[i + 1]}`)
       }
   }
   console.log(info.reverse().join(''))
}

let m = 319025643336.23;

moneyConversion(m)