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tarasyyyk merged 14 commits into from
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Nullish coalescing operator '??' #220

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Update 1-js/02-first-steps/12-nullish-coalescing-operator/article.md 
Co-authored-by: Taras <[email protected]>
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@MykolaSopiha @tarasyyyk
MykolaSopiha and tarasyyyk authored Nov 15, 2021
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Expand Up @@ -106,7 +106,7 @@ alert(height ?? 100); // 0

## Пріоритет

Пріоритет оператора `??` приблизно такий же, як `||`, тільки трохи нижче. Він дорівнює `5` у [таблиці MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence#Table), а пріоритет `||` -- `6`.
Пріоритет оператора `??` приблизно такий самий, як `||`, тільки трохи нижчий. Він дорівнює `5` у [таблиці MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence#Table), а пріоритет `||` -- `6`.

Це означає, що, як і `||`, оператор об’єднання з null `??` оцінюється до `=` та `?`, але після більшості інших операцій, таких як `+`, `*`.

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