Async await

gistfile1.txt

var async = require('async');
var parallel = require('async/parallel');

function giveData() {
  var data;
  async.parallel([
      function(callback){
        callback(null, 'one');
      },
      function(callback){
        callback(null, 'two');
      }
  ], 
  function(err, results){
    // the results array will equal ['one','two'] even though
    // the second function had a shorter timeout.
    if (err) {
        console.log(err);
    } else {
        // console.log(results);
        // return results;
        data = results;
    }
  });
  return data;
}

console.log(giveData());