Node async parallel example

.gitignore

node_modules

index.js

var request = require('request');
var async = require('async');

async.parallel(
    [
      function(callback) {
          request('https://jsonplaceholder.typicode.com/posts/1', function (error, response, body) {
              var data = JSON.parse(body);
              callback(null, data);
          });
      },
      function(callback) {
          request('https://jsonplaceholder.typicode.com/posts/2', function (error, response, body) {
              var data = JSON.parse(body);
              callback(null, data);
          });
      }
    ],
    function(err, results) {
        results.forEach(function(element) {
          console.log("title: ", element.title);
        });
    }
);

package.json

{
  "name": "node-async",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "async": "^2.5.0",
    "request": "^2.81.0"
  }
}