JavaScript 浮点数运算 精度问题(2)

<script type="text/javascript" language="javascript">
/*
alert(0.09999999 + 0.00000001);//弹出: 0.09999999999999999
alert(-0.09999999 - 0.00000001);//弹出: -0.09999999999999999
alert(0.012345 * 0.000001);//弹出: 1.2344999999999999e-8
alert(0.000001 / 0.0001);//弹出: 0.009999999999999998
*/
alert(0.09999999.add(0.00000001));//弹出: 0.1
alert(-0.09999999.sub(0.00000001));//弹出: -0.09999998
alert(0.012345.mul(0.000001));//弹出: 1.2345e-8
alert(0.000001.div(0.0001));//弹出: 0.01
</script>

您可能感兴趣的文章: