deferred with async

$.Deferred().resolve()
.then( function () {
  var d = new $.Deferred();
  setTimeout( function () {
    console.log( 1 );
    d.resolve();
  }, 1000 );
  return d;
} )
.then( function () {
  var d = new $.Deferred();
  setTimeout( function () {
    console.log( 2 );
    d.resolve();
  }, 500 );
  return d;
} )
.then( function () {
  console.log( 3 );
} );