<script>
let eage1 = []//定义一个空数组接受年龄
for (let i = 1; i <= 5; i++) {
let eage = prompt(`请输入第${i}个年龄`)//每次循环输入
if (eage > 0 && eage < 100) {//满足0-100
eage1.push(eage)//放入数组
}
}
//1、依次打印数组输入进去的年龄
document.write(eage1 + `<br>`)
//2、打印所有成年人年龄
for (let i = 0; i < eage1.length; i++) {
if (eage1[i] > 18) {
document.write(eage1[i] + `<br>`)
}
}
//3、打印所有人总年龄
let sum = 0
for (let j = 0; j < eage1.length; j++) {
sum += +eage1[j]
}
document.write(sum + `<br>`)
//4、打印出所有人的平均年龄
let average = 0
average = sum / eage1.length
document.write(average + `<br>`)
//5、打印出年龄最大和最小的
let max = eage1[0], min = eage1[2]
for (let n = 0; n < eage1.length; n++) {
if (eage1[n] > max) {
max = eage1[n]
}
if (eage1[n] < min) {
min = eage1[n]
}
}
document.write(`输入年龄中最大的为${max}<br>`)
document.write(`输入年龄中最小的为${min}<br>`)
</script>
