Searched refs:IsExtensible (Results 1 – 5 of 5) sorted by relevance
31 IsExtensible: 'https://ecma-international.org/ecma-262/6.0/#sec-isextensible-o', property
31 IsExtensible: 'https://ecma-international.org/ecma-262/7.0/#sec-isextensible-o', property
32 IsExtensible: 'https://ecma-international.org/ecma-262/8.0/#sec-isextensible-o', property
209 IsExtensible: Object.preventExtensions210 ? function IsExtensible(obj) {
498 t.equal(true, ES.IsExtensible(object), debug(object) + ' object is extensible');501 t.equal(false, ES.IsExtensible(primitive), debug(primitive) + ' is not extensible');504 …t.equal(false, ES.IsExtensible(Object.preventExtensions({})), 'object with extensions prevented is…