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- var $ = require('../internals/export');
- var fails = require('../internals/fails');
- var isObject = require('../internals/is-object');
- var nativeIsFrozen = Object.isFrozen;
- var FAILS_ON_PRIMITIVES = fails(function () { nativeIsFrozen(1); });
- // `Object.isFrozen` method
- // https://tc39.github.io/ecma262/#sec-object.isfrozen
- $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
- isFrozen: function isFrozen(it) {
- return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
- }
- });
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