function(num) { var number = parseFloat(num)*100; return parseInt(number+0.5)/100;};
function(num) {
var number = parseFloat(num)*100;
return parseInt(number+0.5)/100;
};
Javascript 保留两位小数的巧妙方法
原文：http://www.cnblogs.com/xiejunzhao/p/7943c8d393cd35db9e6f823e63ab5ea2.html
