callAsync playground

callAsync.js

// Anonymize
(function () {

	Function.prototype.callAsync = function () { 
		var self = this, args = arguments, result = {returned:false}; 
		setTimeout(function () { result.returnVal = self.apply(self, args); result.returned = true; }, 0); 
		return result; 
	}

})();

callAsyncTest.js

var someResult;

console.debug((

someResult = function (a, b) { 
	var str = a + ': ' + b; 
	console.log(str); 
	return str; 
}.callAsync('LogMsg', 'This message was run non-blockingly!')

));

// Watch output, someResult will assigned {returned:false} first

// Lazy way to test someResult gets updated
setTimeout(function () {
	console.debug(someResult.returned);
	console.debug(someResult.returnVal);
}, 10);