flow-control.js

function basicTeenager(age) {
if (age >= 13 && age <= 19) {
  return "You are a teenager!"
}
}

function teenager(age) {
  if (age >=13 && age <= 19) {
    return 'You are a teenager!'
  }
  else {
    return 'You are not a teenager'
  }
}

function ageChecker(age) {
if (age <= 12) {
return "You are a kid"
} else if (age >= 13 && age <= 19) {
return "You are a teenager!"
} else {
return "You are a grownup"
}
}

function ternaryTeenager(age) {
return (age>=13 && age<=19) ? "You are a teenager" : "You are not a teenager"
}

function switchAge(age) {
  var age;
  switch(age) {
    case 13:
    return "You are a teenager"
    break;
    case 14:
    return "You are a teenager"
    break;
    case 15:
    return "You are a teenager"
    break;
    case 16:
    return "You are a teenager"
    break;
    case 17:
    return "You are a teenager"
    break;
    case 18:
    return "You are a teenager"
    break;
    case 19:
    return "You are a teenager"
    break;
    default:
    return "You have an age"
  }
}