问题描述
人民海军成立多少周年了？
精选答案
优
var today = new Date();
var foundingDate = new Date("1949-04-23");
var diff = today - foundingDate;
var周年 = Math.floor(diff / (1000 * 60 * 60 * 24 * 365));
var result = "人民海军成立" +周年 + "周年了。";
result
