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>=13 && age<=19) {
    return 'You are a teenager!'
  } else if (age<=12) {
    return 'You are a kid'
  } 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) {
  switch(age){
      case 13:
      case 14:
      case 15:
      case 16:
      case 17:
      case 18:
      case 19:
          return "You are a teenager";
          break;
      default:
          return "You have an age";
  }
}