JSFiddle - React, Tailwind, and code Playground

by Joseph Chiang

JavaScript

// 借同事 1 萬，年利率 10%，10 年後他要還我多少？
var money = 10000,
    rate  = 0.1,
    years = 10;
document.write("我同事要還我 " + (money + (money * rate) * years) + "<br><br>");

// 銀行定存年利率 2.5%、本金 1 萬、存 10 年可以拿到多少？
// 開根號 Math.pow();
var money = 10000,
    rate  = 0.025,
    years = 10;
    
for (var i = 1; i <= 10; i ++) {
    money = Math.round(money * (1 + rate));
    document.write("第 " + i + " 年的本金為 " + money + " 元<br>");
}