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'
  default:
  return 'You have an age'
}
}