widget.js

A.GitHub = A.Base.create('github', Y.Widget, [],
  {
		initializer: function(config) {
			console.log( this.get('fooNode') )
		}
	},
	{
		HTML_PARSER: {
			fooNode: '.foo'
		},

		ATTRS: {
			fooNode: {
				valueFn: function() {
					return A.Node.ceate('<div class="foo">foo</div>');
				}
			}
		}
	}
);