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Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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-
Property mode
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100644
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File size:
286 bytes
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| 1 | 'use strict';
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| 2 |
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| 3 | var numberIsNaN = function (value) {
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| 4 | return value !== value;
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| 5 | };
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| 6 |
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| 7 | module.exports = function is(a, b) {
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| 8 | if (a === 0 && b === 0) {
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| 9 | return 1 / a === 1 / b;
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| 10 | }
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| 11 | if (a === b) {
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| 12 | return true;
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| 13 | }
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| 14 | if (numberIsNaN(a) && numberIsNaN(b)) {
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| 15 | return true;
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| 16 | }
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| 17 | return false;
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| 18 | };
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| 19 |
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