Object.isStrictlyEquals

Object.js

var equals = function(value, i){
	return (i in this) && Object.equals(value, this[i]);
};

Object.extend({
	'equals': function(first, second){
		if (first === second) return true;
		var type = typeOf(first);
		if (type !== typeOf(second)) return false;
		if (type == 'regexp') return String(first) == String(second);
		if (type == 'date') return first.getTime() == second.getTime();
		if (type == 'arguments') first = Array.from(first);
		if (first.length !== second.length) return false;
		return ((type == 'object') ? Object.every : Array.every)(first, equals, second);
	}
});