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.
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://stackoverflow.com › questions › 476436
Is there a "null coalescing" operator in JavaScript?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://www.freecodecamp.org › news › what-is-the-nullish-coalescing-operator-in...
What is the Nullish Coalescing Operator in JavaScript, and how is it usefulWhen used in an expression, the Nullish Operator checks the first operand (on the left) to see if its value is null or undefined. If it isn't, the operator returns it from the expression.
https://javascript.info › nullish-coalescing-operator
Nullish coalescing operator - The Modern JavaScript TutorialThe 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://www.javascripttutorial.net › javascript-nullish-coalescing-operator
JavaScript Nullish Coalescing Operator - JavaScript TutorialThe 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://www.freecodecamp.org › news › nullish-coalescing-operator-in-javascript
How the Nullish Coalescing Operator Works in JavaScriptES11 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://blog.bitsrc.io › the-ultimate-guide-to-the-es2020-nullish-coalescing-operator...
The Ultimate Guide to the ES2020 Nullish Coalescing OperatorThe nullish coalescing (??) operator is JavaScript’s third short-circuiting operator that acts very similar to the logical OR (||) operator, except that it checks whether the value is nullish rather than falsy.
https://v8.dev › features › nullish-coalescing
Nullish coalescing - V8The nullish coalescing operator (??) acts very similar to the || operator, except that we don’t use “truthy” when evaluating the operator. Instead we use the definition of “nullish”, meaning “is the value strictly equal to null or undefined ”.
https://developer.mozilla.org › ... › Web › JavaScript › Reference › Operators › Nullish_coalescing
Nullish coalescing operator (??) - MDN Web DocsThe nullish coalescing operator treats undefined and null as specific values. So does the optional chaining operator (?.), which is useful to access a property of an object which may be null or undefined.