lib/qx/tool/compiler/app/loader-browser.tmpl.js
function(eventType, handler) {
    if (this.deferredEvents === null)
      this.deferredEvents = {};
    var handlers = this.deferredEvents[eventType];
    if (handlers === undefined)
      handlers = this.deferredEvents[eventType] = [];
    handlers.push({ eventType: eventType, handler: handler });
  }
function(eventType, handler) {
    if (this.deferredEvents === null)
      this.deferredEvents = {};
    var handlers = this.deferredEvents[eventType];
    if (handlers === undefined)
      handlers = this.deferredEvents[eventType] = [];
    handlers.push({ eventType: eventType, handler: handler });
  }
/*
Adds event handlers