"this" and nested object methods

gistfile1.js

// exploring javascript's nefarious this

this.level = 0;
var test = {
	level: 1,
	method: function () {
		console.log( this.level );
	},
	test: {
		level: 2,
		method: function () {
			console.log( this.level );
		},
		test: {
			level: 3,
			method: function () {
				console.log( this.level );
			},
		}
	}
};

test.method(); // level 1
test.test.method(); // level 2
test.test.test.method(); // level 3