function allTruthy (results) {
  return results.every(function (result) {
    return result
  })
}
// true if every element is truthy
true if every element is truthy
true if every element is truthy
function allTruthy (results) {
  return results.every(function (result) {
    return result
  })
}
function allTruthy ( results ) { return results . every ( function ( result ) { return result } ) }
true if every element is truthy
true if every element is truthy