BB.EventEmitter


// SHOULD LOG LIKE:
// Fired "now" event 1457470144
// seconds since the unix epoch.
// Fired "often" event 1457470145 seconds since the unix epoch.
// Fired "often" event 1457470146 seconds since the unix epoch.
// Fired "often" event 1457470147 seconds since the unix epoch.
// Fired "often" event 1457470148 seconds since the unix epoch.
// Fired "later" event 1457470149 seconds since the unix epoch.
// Removed "often" event.

 var emitter = new BB.EventEmitter();

 emitter.createEvent('now');
 emitter.createEvent('later');
 emitter.createEvent('often');

 // because this 'now' callback was registered first
 // it will be called first.
 emitter.on('now', function(unixTimestamp) {
     console.log('Fired "now" event ' + unixTimestamp);
 });

 // this one will be called second.
 emitter.on('now', function(unixTimestamp) {
     console.log('seconds since the unix epoch.');
 });

 emitter.on('often', function(unixTimestamp) {
     console.log('Fired "often" event ' + unixTimestamp + ' seconds since the unix epoch.');
 });

 emitter.on('later', function(unixTimestamp) {
     console.log('Fired "later" event ' + unixTimestamp + ' seconds since the unix epoch.');
     emitter.removeEvent('often');
     console.log('Removed "often" event.');
 });

 emitter.notify('now', Math.floor(Date.now() / 1000));

 setTimeout(function(){ emitter.notify('later', Math.floor(Date.now() / 1000)) }, 5000);
 setInterval(function(){ emitter.notify('often', Math.floor(Date.now() / 1000)) }, 1000);