dirblockparty

function dirblockparty(inviteList = []) {
  // invite guests to the blockparty
  // - in a for ternary loop  
  for(var i=0; i<inviteList.length; i++) {
    var invitationMsg
    invitationMsg = "...you are cordially invited, "
    invitationMsg += inviteList[i] + "!"
    return invitationMsg
  }
}

// invite everyone. its a party.
dirblockparty(everyone])

// OUTPUT:
// "...you are cordially invited, everyone!"