<script type="javascript">
var num1 = 8.88;
var num2 = 9.99;
var sum = num1 * num2;
alert(sum.toFixed(2));//保留两位小数
</script>
<script type="javascript">
var num1 = 8.88;
var num2 = 9.99;
var sum = num1 * num2;
alert(sum.toFixed(2));//保留两位小数
</script>