code: function(name, value, metaName) {
              if (_.isObject(name)) {
                  _.each(name, function(value, name) {
                      this.meta(name, value);
                  }, this);
                  return;
              }
  
              if (metaName == null) metaName = "name";
              var mt = this.$('meta['+metaName+'="'+name+'"]');
              if (mt.length === 0) {
                  mt =  $("<meta>", {}).attr(metaName, name).appendTo('head');
              }
              if (value != null) {
                  mt.attr('content', value);
                  return this;
              } else {
                  return mt.attr('content');
              }
          }
docs: Set or get a meta tag value
  
  @method meta
  @param {string} name name of the meta tag
  @param {string} [value] value to set on the meta tag
  @param {string} [metaName="name"] selector for the meta name
  @return {string} value of the meta tag