<반복문>


<조건문>
<script>
let age = 24
if (age > 20) {
console.log('성인입니다')
} else {
console.log('청소년입니다')
}
</script>

<반복문+조건문>
<script>
let ages = [12, 15, 20, 25, 17, 37, 24]
ages.forEach((a) => {
if (a > 20) {
console.log('성인입니다')
} else {
console.log('청소년입니다')
}
})
</script>

<script>
let ages = [12, 15, 20, 25, 17, 37, 24]
ages.forEach((a) => {
if (a > 20) {
alert('성인입니다')
} else {
alert('청소년입니다')
}
})
</script>
