src/query.js
function(keys) {
        requires(keys, 'undefined is not a valid key');
        _(arguments).forEach(keys => {
          this._select = this._select.concat(ensureArray(keys));
        });
        return this;
      }
function(keys) {
        requires(keys, 'undefined is not a valid key');
        _(arguments).forEach(keys => {
          this._select = this._select.concat(ensureArray(keys));
        });
        return this;
      }
function ( keys ) { requires ( keys , 'undefined is not a valid key' ) ; _ ( arguments ) . forEach ( keys => { this . _select = this . _select . concat ( ensureArray ( keys ) ) ; } ) ; return this ; }
Restrict the fields of the returned AV.Objects to include only the
provided keys.  If this is called multiple times, then all of the keys
specified in each of the calls will be included.
@param {String[]} keys The names of the keys to include.
@return {AV.Query} Returns the query, so you can chain this call.
Restrict the fields of the returned AV . Objects to include only the provided keys . If this is called multiple times then all of the keys specified in each of the calls will be included .