js Number 转为 百分比

 <script type="text/javascript">

Number.prototype.toPercent = function(){

return (Math.round(this * 10000)/100).toFixed(2) + '%';

}

var A=0.35897, B=0.25554;

 alert([A, A.toPercent(), B, B.toPercent()].join('\n'));

</script>