code: function(fn, context) {
          var instance = this;
          return Y.Array.some(this._nodes, function(node, index) {
              node = Y.one(node);
              context = context || node;
              return fn.call(context, node, index, instance);
          });
      }
docs: Executes the function once for each node until a true value is returned.
  @method some
  @param {Function} fn The function to apply. It receives 3 arguments:
  the current node instance, the node's index, and the NodeList instance
  @param {Object} context optional An optional context to execute the function from.
  Default context is the current Node instance
  @return {Boolean} Whether or not the function returned true for any node.