Sifting Through Promise Docs Ex

app.js

function myCallingMethod() {
  var _deferred = new $.Deferred()
  var _myValue = 123;
  setTimeout(function() {
    _deferred.resolve(_myValue);
  }, 500);
  return _deferred.promise();
}

var myPromise = myCallingMethod();
myPromise.done(function(myValue) {
  alert(myValue);
});