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https://developer.mozilla.org › ... › Web › JavaScript › Reference › Operators › Nullish_coalescing

Nullish coalescing operator (??) - MDN Web Docs

The nullish coalescing (??) operator is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left-hand side operand.

https://stackoverflow.com › questions › 61480993

When should I use ?? (nullish coalescing) vs || (logical OR)?

The OR operator || uses the right value if left is falsy, while the nullish coalescing operator ?? uses the right value if left is null or undefined. These operators are often used to provide a default value if the first one is missing.

When should I use ?? (nullish coalescing) vs || (logical OR)?

https://fr.javascript.info › nullish-coalescing-operator

L'opérateur de coalescence des nuls - JavaScript

L’opérateur de coalescence des nuls n’est pas complètement nouveau. C’est juste une belle syntaxe pour obtenir la première valeur “defined” des deux. Nous pouvons réécrire result = a ?? b en utilisant les opérateurs que nous connaissons déjà, comme ceci : result = (a !== null && a !== undefined) ? a : b;

https://www.javascripttutorial.net › javascript-nullish-coalescing-operator

JavaScript Nullish Coalescing Operator - JavaScript Tutorial

The nullish coalescing operator (??) is a logical operator that accepts two values and returns the second value if the first one is null or undefined. The nullish coalescing operator is short-circuited and cannot directly combine with the logical AND or OR operator.

https://javascript.info › nullish-coalescing-operator

Nullish coalescing operator - The Modern JavaScript Tutorial

The nullish coalescing operator is written as two question marks ??. As it treats null and undefined similarly, we’ll use a special term here, in this article. For brevity, we’ll say that a value is “defined” when it’s neither null nor undefined. The result of a ?? b is: if a isn’t defined, then b.

https://masteringjs.io › tutorials › fundamentals › nullish-coalescing

The Nullish Coalescing Operator ?? in JavaScript - Mastering JS

The nullish coalescing operator provides a concise syntax for setting a default value if the given value is nullish. null and undefined are the only nullish values in JavaScript.

https://www.freecodecamp.org › news › what-is-the-nullish-coalescing-operator-in...

What is the Nullish Coalescing Operator in JavaScript, and how is it useful

The Nullish Coalescing Operator is a new logical operator in JavaScript introduced in ES 2020. In this article, we'll understand how this operator works. There are over four logical operators in JavaScript: the AND &&, OR ||, NOT !, and the Nullish Coalescing Operator ??.

What is the Nullish Coalescing Operator in JavaScript, and how is it useful

https://developer.mozilla.org › ... › Web › JavaScript › Reference › Operators › Nullish_coalescing

Opérateur de coalescence des nuls (Nullish coalescing operator)

L' opérateur de coalescence des nuls (??), est un opérateur logique qui renvoie son opérande de droite lorsque son opérande de gauche vaut null ou undefined et qui renvoie son opérande de gauche sinon.

https://www.freecodecamp.org › news › nullish-coalescing-operator-in-javascript

How the Nullish Coalescing Operator Works in JavaScript

ES11 has added a nullish coalescing operator which is denoted by double question marks, like this: ??. In this article, we will explore why it's so useful and how to use it.

https://www.slingacademy.com › article › nullish-coalescing-in-javascript-a-developers-guide

Nullish Coalescing in JavaScript: A Developer’s Guide - Sling Academy

The Nullish Coalescing Operator (??) is a logical operator that returns its right-hand side operand when its left-hand side operand is either null or undefined, and otherwise returns its left-hand side operand.