callbacks from within a Javascript "class"

gistfile1.js

var MyClass		= function() {
	this.myObject	= {};
	this.name	= "MyClass";
};

/**
 * doSomethingWithFileData
 * @param err
 * @param fileData
 */
MyClass.prototype.doSomethingWithFileData = function(err, fileData) {
	if(typeof this.myObject !== 'object' && this.name !== "MyClass") {
		console.log("You fail! Scoping error, 'this' is not the 'this' you are looking for.");
		console.log("'this': " + this);
		console.log("\n\n");
	}
	else {
		console.log("You win! 'this' is: " + this.name);
		console.log("Here is your data: \n" + fileData);
		console.log("\n\n");
	}
};

MyClass.prototype.readFileAsync = function(filePath) {

	// Wrong
	fs.readFile(filePath, this.doSomethingWithFileData);

	// Right
	fs.readFile(filePath, CALLBACK(this, 'doSomethingWithFileData'));
};