gistfile1.js

(function() {

//set up your widget

dojo.declare("MyTable", dijit._Widget,  {

  //initiation methods for your widget

  destroy: function(){
    //destroy your child widgets
    dojo.forEach(this._childrenWidgets, function(widget){
      widget.destroy();
    });

    //unsubscribe from topics
    dojo.forEach(this._topics, dojo.unsubscribe);
		
    //disconnect from events
    dojo.forEach(this._connectHandles, dojo.disconnect);

    //run parent destroy() method
    this.inherited(arguments);
  },

  //other methods for your widget
}

})();