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PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
18 lines
541 B
JavaScript
18 lines
541 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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"use strict";
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var obj = {
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"length": "6",
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"1": "A",
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"3": "B",
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"5": "C"
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};
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obj[Symbol.isConcatSpreadable] = true;
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var obj2 = { length: 3, "0": "0", "1": "1", "2": "2" };
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var arr = ["X", "Y", "Z"];
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assertEquals([, "A", , "B", , "C",
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{ "length": 3, "0": "0", "1": "1", "2": "2" },
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"X", "Y", "Z"], Array.prototype.concat.call(obj, obj2, arr));
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