guibot17

function makeList(ref) {
  var fruits = ["banana", "apple", "grape", "orange"];
  for (var i = 0; i < fruits.length; i++) {
    ref.push(fruits[i]);
  }
}

function getFirstFromList(ref, cb) {
  ref.startAt().limit(1).once("child_added", function(snapshot) {
    cb(snapshot.val());

guibot17

// assumes you add a timestamp field to each record (see Firebase.ServerValue.TIMESTAMP)
// pros: fast and done server-side (less bandwidth, faster response), simple
// cons: a few bytes on each record for the timestamp
var ref = new Firebase(...);
ref.orderByChild('timestamp').startAt(Date.now()).on('child_added', function(snapshot) {
  console.log('new record', snap.key());
});

guibot17

// Helper function to extract claims from a JWT. Does *not* verify the
// validity of the token. 
// credits: https://github.com/firebase/angularFire/blob/master/angularFire.js#L370
// polyfill window.atob() for IE8: https://github.com/davidchambers/Base64.js
// or really fast Base64 by Fred Palmer: https://code.google.com/p/javascriptbase64/
function deconstructJWT(token) {
   var segments = token.split(".");
   if (!segments instanceof Array || segments.length !== 3) {
      throw new Error("Invalid JWT");
   }

guibot17

function go() {
  var userId = prompt('Username?', 'Guest');
  var userData = { name: userId };
  tryCreateUser(userId, userData);
}

var USERS_LOCATION = 'https://SampleChat.firebaseIO-demo.com/users';

function userCreated(userId, success) {
  if (!success) {

guibot17

function go() {
  var userId = prompt('Username?', 'Guest');
  // Consider adding '/<unique id>' if you have multiple games.
  var gameRef = new Firebase(GAME_LOCATION);
  assignPlayerNumberAndPlayGame(userId, gameRef);
};

// The maximum number of players.  If there are already 
// NUM_PLAYERS assigned, users won't be able to join the game.
var NUM_PLAYERS = 4;