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Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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| 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var IndexedObject = require('../internals/indexed-object');
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| 4 | var toIndexedObject = require('../internals/to-indexed-object');
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| 5 | var arrayMethodIsStrict = require('../internals/array-method-is-strict');
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| 6 |
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| 7 | var nativeJoin = [].join;
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| 8 |
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| 9 | var ES3_STRINGS = IndexedObject != Object;
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| 10 | var STRICT_METHOD = arrayMethodIsStrict('join', ',');
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| 11 |
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| 12 | // `Array.prototype.join` method
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| 13 | // https://tc39.es/ecma262/#sec-array.prototype.join
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| 14 | $({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD }, {
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| 15 | join: function join(separator) {
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| 16 | return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
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| 17 | }
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| 18 | });
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