Callback hell solutions

callbackhell.js

var AwesomeObject = function() {};

AwesomeObject.prototype = {
  
  doSomeThingAsync: function() {
    var that = this;
    
    // Do that with bind?
    return asyncThing({
      success: function() { that.onSuccess.apply(that, arguments);},
      error: function() { that.onError.apply(that, arguments);},
      complete: function() { that.onComplete.apply(that, arguments);}
    })
    
  },
  
  onSuccess: function() {
    this.happy();
  },
  
  onError: function() {
    this.sad();
  },
  
  onComplete: function() {
    this.whatever();
  },
  
  happy: function() { console.log('happy'); },
  sad: function() { console.log('sad'); },
  whatever: function() { console.log('whatever'); }
}