Open the console and run testSpec(); and see the source of this file.
testSpec();
dojo.provide("dojox.Promise"); dojox.Promise = function(){ return { emit: function(data){ // stub function }, then: function(doneHandler,errHandler){ var promise = new dojox.Promise(); dojo.connect(this, 'emit', function(data){ if(doneHandler && !(data instanceof Error)){ var res = doneHandler(data); promise.emit(res); } if(errHandler && (data instanceof Error)){ errHandler(data); promise.emit(data); } }); return promise; } } }; dojox.Promise.prototype.touched = 1;