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Ilya Kantor 2019-05-07 10:10:33 +02:00
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1-js/05-data-types/02-number/article.md
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@ -326,7 +326,7 @@ Please note that an empty or a space-only string is treated as `0` in all numeri
There is a special built-in method [Object.is](mdn:js/Object/is) that compares values like `===`, but is more reliable for two edge cases:
1. It works with `NaN`: `Object.is(NaN, NaN) === true`, that's a good thing.
2. Values `0` and `-0` are different: `Object.is(0, -0) === false`, it rarely matters, but these values technically are different.
2. Values `0` and `-0` are different: `Object.is(0, -0) === false`, technically that's true, because internally the number has a sign bit that may be different even if all other bits are zeroes.
In all other cases, `Object.is(a, b)` is the same as `a === b`.