| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/js/src/tests/test262/built-ins/Object/seal/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 1 kB |
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Quelle seal-map.jsSprache: JAVA |
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// Copyright (C) 2020 Rick Waldron. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-object.seal description: > Object.seal Map info: | If Type(O) is not Object, return O. Let status be ? SetIntegrityLevel(O, sealed). SetIntegrityLevel ( O, level ) Assert: Type(O) is Object. Assert: level is either sealed or frozen. Let status be ? O.[[PreventExtensions]](). If status is false, return false. Let keys be ? O.[[OwnPropertyKeys]](). If level is sealed, then For each element k of keys, do Perform ? DefinePropertyOrThrow(O, k, PropertyDescriptor { [[Configurable]]: false }). Else, Assert: level is frozen. For each element k of keys, do Let currentDesc be ? O.[[GetOwnProperty]](k). If currentDesc is not undefined, then If IsAccessorDescriptor(currentDesc) is true, then Let desc be the PropertyDescriptor { [[Configurable]]: false }. Else, Let desc be the PropertyDescriptor { [[Configurable]]: false, [[Writable]]: false }. Perform ? DefinePropertyOrThrow(O, k, desc). Return true. ---*/ Object.seal(new Map()); reportCompare(0, 0);
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2026-06-09