More accurately check the type of a JavaScript object

trueTypeOf.js

	/**
	 * More accurately check the type of a JavaScript object
	 * @param  {Object} obj The object
	 * @return {String}     The object type
	 */
	var trueTypeOf = function (obj) {
		return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();
	};