JS中处理浮点类型金额数值相乘精度丢失问题解决方案

function accMul(arg1,arg2){
      var m=0,s1=arg1.toString(),s2=arg2.toString();
      try{m+=s1.split(".")[1].length}catch(e){}
      try{m+=s2.split(".")[1].length}catch(e){}
      return Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m)
  }