Introduction1 Scope2 Conformance3 Normative References◢4 Overview4.1 Web Scripting◢4.2 ECMAScript Overview4.2.1 Objects4.2.2 The Strict Variant of ECMAScript◢4.3 Terms and Definitions4.3.1 type4.3.2 primitive value4.3.3 object4.3.4 constructor4.3.5 prototype4.3.6 ordinary object4.3.7 exotic object4.3.8 standard object4.3.9 built-in object4.3.10 undefined value4.3.11 Undefined type4.3.12 null value