SOURCE

var defer = jQuery.Deferred();
defer.done(function(a,b){
  console.log("a = " + a+"b = " + b);
  return a * b;
})
.done(function( result ) {
  console.log("result = " + result);
})

.then(function( a, b ) {
  console.log("a = " + a+"b = " + b);
  return a * b;
})
.done(function( result ) {
      console.log("result = " + result);
})

.then(function( a, b ) {
  console.log("a = " + a+"b = " + b);
  return a * b;
})
.done(function( result ) {
  console.log("result = " + result);
});

defer.resolve( 2, 3 );