数字相乘失真

  //2022-09-15 处理部分数据失真的问题 如0.009*100=0.89999999...
  const accMul=function(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)
  };