Invocar funciones inmediatamente

var parkRides = [["Birch Bumpers",40],["Pines Plunge",40],["Cedar Coaster",40],["Ferris wjhell of firs",40]];

var fastPassQueue = ["Pines Plunge", "Birch Bumpers", "Pines Plunge"];

var watsRide = "Pines Plunge";

buildTicket(parkRides, fastPassQueue, watsRide  )();


function buildTicket( allRides, passRides, pick){

if(passRides[0] == pick){
var pass = passRide.shift();
return function(){
  alert ("Quick! You've got a Fast Pass to " + pass + "!");
};

} else {

   for( var i = 0; i< allRides.length; i++){
     if(allrides[i][0]) ==pick ){
     resturn function(){
  alert("A ticket is printing for " + oick + "1\n" + "Your wait time is about " + allRides[i][1]"+ minutes.");
};

}

}
}

})
}