js jquery plugin pattern simple

/*
 * // to set options per instance
 * $('#elem').classlider({ message: 'Goodbye World!' });

 * // to instantiate with simple Javascript
 * var instance = new Classlider( 
 *   document.getElementById('elem'),
 *   { message: 'Goodbye World!' } 
 * ).init();

 * // to set global defaults
 * Classlider.defaults.message = 'Goodbye World!';
 */
 
;(function( $, window, document, undefined ){

  function MyPlugin( element, options ){
      this.element = element;
      this.$element = $(element);
      this.options = options;
      this.init();
  }

  MyPlugin.prototype = {
    
    defaults: {
      message: "Hello world!"
    },

    init: function() {
      
      this.config = $.extend({}, this.defaults, this.options);
      var self = this;
      
      self.yourOtherFunction();
      
      console.log("inited");
      
      return self;
    },

    yourOtherFunction: function() {
      var self = this;
      console.log( self.config.message );
    }
    
  };

  
  // export for jQuery
  
  var pluginName = "my_plugin";
  
  $.fn[ pluginName ] = function ( options ) {
      return this.each(function() {
          if ( !$.data( this, "plugin_" + pluginName ) ) {
              $.data( this, "plugin_" + pluginName, new MyPlugin( this, options ) );
          }
      });
  };

  // MyPlugin.defaults = MyPlugin.prototype.defaults;
  // window.MyPlugin = MyPlugin;

})( jQuery, window , document );