JavaScript: Constructor Auto-Execution with new Keyword

JavaScript is full of small, interesting facets that can trip you up, make you laugh, or make you cry.  This post is about an interesting one.  Those of you that have worked with JavaScript functions, and in a way JavaScript "classes" (as you used with MooTools), you're well acquainted with the new keyword.  With the new keyword you get the ability to pass arguments with the function call, but did you know that if you have no arguments, you don't need the parens at all?

function MyClass() {
	console.log('Initialized!');

	//Set a property, as an example
	this.dirty = true;
}

var instance = new MyClass;

// >> "Initialized!''

So why am I telling you this?  I have no idea.  It's just one of those fun tidbits that you can add to your brain. :)