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<script language="javascript">
var Field001=34992.5; //你提供的被除数
var Fidle002=0.03; //你提供的乘数
var Result001=Field001*Fidle002; //直接乘得1049.7749999999998
var Result01=Result001.toFixed(3); //返回字符串得1049.775
alert(typeof(Result01)+':'+Result01); //弹出结果:"字符型:1049.775"
Result01=parseFloat(Result01); //转为数值类型:1049.775
alert(typeof(Result01)+':'+Result01); //弹出结果:"数值型:1049.775"
</script>
<script language="javascript">
var Field001=34992.5;
var Fidle002=0.03;
document.write(eval(Field001*Fidle002).toFixed(3));
confirm((Field001*Fidle002).toFixed(3));
alert(Field001*Fidle002);
</script>
<script language=javascript>
var Field001=20.2
var Fidle002=2.1
alert(eval(Field001*Fidle002))
</script>