function percentNum(num, num2) { return (Math.round(num / num2 * 10000) / 100.00 + "%"); } alert(percentNum(1,2));
var a=5.27777777777; alert(a.toFixed(2));
function percentNum(num, num2) { return (Math.round(num / num2 * 10000) / 100.00 + "%"); } alert(percentNum(1,2));
var a=5.27777777777; alert(a.toFixed(2));
原文：https://www.cnblogs.com/5aiQ/p/8446105.html