Async JS/Node - Parallel Callbacks Example - Part 1

example.js

// Part 1

function getTweetsPostsRepos(username, callback) {
  var count = 0
    , results = []
 
  function somethingFinished(err, result) {
    count += 1
    results.push(result)
    
    if(count === 3) {
      callback(null, results)
    }
  }
  
  // more stuff
}