var ElementContainer = require('element-container');
 
var playerElement = document.getElementById('player'),
    player = new ElementContainer(playerElement);
 
function doADomThing() {
  var child = document.createElement('div');
  this.appendChild(child);
}
 
player.on('click', doADomThing);
player.on('custom', function() {
  this.doPlayerThing();
  this.emit('thing:complete', this);
});