var num = parseInt(prompt("请输入一个三位数"));
var bai = parseInt(num / 100);
var shi = num / 10 % 10;
var ge = num % 10;
alert(bai + shi + ge);
计算三位数各个位上数字的和
最新推荐文章于 2024-06-01 00:03:22 发布
var num = parseInt(prompt("请输入一个三位数"));
var bai = parseInt(num / 100);
var shi = num / 10 % 10;
var ge = num % 10;
alert(bai + shi + ge);