Js函数收藏:
1、Js小数转百分数并能四舍五入
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
<script type="text/javascript">
//n为要保留的小数位数
Number.prototype.toPercent = function(n)
{
n = n || 2;
return ( Math.round( this * Math.pow( 10, n + 2 ) ) / Math.pow( 10, n ) ).toFixed( n ) + '%';
}
//test
var A=0.358975, B=0.25554;
alert([A, A.toPercent(3), B, B.toPercent(1)].join('\n'));
</script>
posted @
2009-06-09 22:52
keep moving
阅读(
264)
评论()
编辑
收藏
举报