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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
659 bytes
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| 1 | var $ = require('../internals/export');
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| 2 | var getBuiltIn = require('../internals/get-built-in');
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| 3 | var anObject = require('../internals/an-object');
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| 4 | var FREEZING = require('../internals/freezing');
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| 5 |
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| 6 | // `Reflect.preventExtensions` method
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| 7 | // https://tc39.es/ecma262/#sec-reflect.preventextensions
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| 8 | $({ target: 'Reflect', stat: true, sham: !FREEZING }, {
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| 9 | preventExtensions: function preventExtensions(target) {
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| 10 | anObject(target);
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| 11 | try {
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| 12 | var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions');
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| 13 | if (objectPreventExtensions) objectPreventExtensions(target);
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| 14 | return true;
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| 15 | } catch (error) {
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| 16 | return false;
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| 17 | }
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| 18 | }
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| 19 | });
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