title: Any concern using JavaScript prototype object to create Backbone.js default or new methods
body: <p>Which is better performance?</p>
  
  <p>A)</p>
  
  <pre><code>var Library = Backbone.View.extend({
    initialize = function() {}
  });
  </code></pre>
  
  <p>OR</p>
  
  <p>B)</p>
  
  <pre><code>var Library = Backbone.View.extend({});
  Library.prototype.initialize = function() {}
  </code></pre>
  
  <p>I would think B) should be better for performance since any new instance of the Library object will all inherit and reference to the prototype method. </p>
  
  <p>I would </p>