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35 lines
836 B
JavaScript
35 lines
836 B
JavaScript
// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-properties-of-symbol-instances
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description: >
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Symbol primitives and objects are not callable.
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info: |
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Properties of Symbol Instances
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Symbol instances are ordinary objects that inherit properties from the
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Symbol prototype object. Symbol instances have a [[SymbolData]] internal slot.
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The [[SymbolData]] internal slot is the Symbol value represented by this
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Symbol object.
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features: [Symbol]
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---*/
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var sym = Symbol('desc');
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var symObj = Object(Symbol());
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assert.throws(TypeError, function() {
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sym();
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});
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assert.throws(TypeError, function() {
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new sym();
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});
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assert.throws(TypeError, function() {
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symObj();
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});
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assert.throws(TypeError, function() {
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new symObj();
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});
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