text: /**
   * Created by Administrator on 2016/1/7.
   */
  
  var log = _.bind(console.log, console);
  log(_.filter(_.map([1, 4, 9, 16, 25], Math.sqrt), x => x % 2 === 1));
  var result = _.chain([1, 4, 9, 16, 25])
      .map(Math.sqrt)
      .filter(x => x % 2 === 1)
      .value();
  log(result);