function fn() {
let num1 = +prompt('请输入第一个数字');
let num2 = +prompt('请输入第二个数字');
let sum = num1 + num2;
console.log(`最后的和是: ${sum}`);
}
fn();
function fn(a, b) {
console.log(a + b);
}
fn(1, 2);
fn(4, 5);
function getSum() {
let ary = [89, 78, 23, 45, 66, 99];
let sum1 = 0;
for(let i = 0; i < ary.length; i++) {
sum1 += ary[i];
}
console.log(`最后的结果是: ${sum1}`);
}
getSum();
function fn(ary) {
let sum = 0;
for(let i = 0; i <ary.length; i++) {
sum += ary[i];
}
console.log(sum);
}
fn([100, 200]);
fn([100, 200, 300, 400, 500]);
