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Last change
on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
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F4 Finalna Verzija
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File size:
475 bytes
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| 1 | 'use strict';
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| 2 | var toIntegerOrInfinity = require('../internals/to-integer-or-infinity');
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| 3 | var toLength = require('../internals/to-length');
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| 4 |
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| 5 | var $RangeError = RangeError;
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| 6 |
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| 7 | // `ToIndex` abstract operation
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| 8 | // https://tc39.es/ecma262/#sec-toindex
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| 9 | module.exports = function (it) {
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| 10 | if (it === undefined) return 0;
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| 11 | var number = toIntegerOrInfinity(it);
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| 12 | var length = toLength(number);
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| 13 | if (number !== length) throw new $RangeError('Wrong length or index');
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| 14 | return length;
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| 15 | };
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