https://developer.mozilla.org › ... › Web › JavaScript › Reference › Operators › Nullish_coalescing
Nullish coalescing operator (??) - JavaScript | MDN - MDN Web DocsThe 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 › 476436
Is there a "null coalescing" operator in JavaScript?Nullish coalescing operator (??) which 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.
Vidéos
https://javascript.info › nullish-coalescing-operator
Nullish coalescing operator - The Modern JavaScript TutorialThe nullish coalescing operator ?? provides a short way to choose the first “defined” value from a list. It’s used to assign default values to variables: // set height=100, if height is null or undefined height = height ?? 100;
https://www.javascripttutorial.net › javascript-nullish-coalescing-operator
JavaScript Nullish Coalescing Operator - JavaScript TutorialThe nullish coalescing operator returns the second value (value2) if the first value (value2) is null or undefined. Technically, the nullish coalescing operator is equivalent to the following block: if (result === null || result === undefined) {. result = value2;
https://www.freecodecamp.org › news › what-is-the-nullish-coalescing-operator-in...
What is the Nullish Coalescing Operator in JavaScript, and how is it usefulThe 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 ??.
https://masteringjs.io › tutorials › fundamentals › nullish-coalescing
The Nullish Coalescing Operator ?? in JavaScript - Mastering JSThe 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 › javascript-advanced-operators
Advanced JavaScript Operators – Nullish Coalescing, Optional Chaining ...In this article, I'm going to teach you how to use three advanced JavaScript operators: the Nullish Coalescing, Optional Chaining, and Destructuring Assignment operators. These three operators will help you write clearer and less error-prone code.
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://dev.to › tscharke › nullish-coalescing-operator-explained-54ao
Nullish coalescing operator - explained - DEV CommunityThe Nullish coalescing operator is a new and additional JavaScript operator that has been available since June 2020 with ECMAScript 2020 (ES2020) of the programming language. In addition to the well-known binary logical operators && (AND) and || (OR), it is the third operator non-binary and has the notation ??.
https://developer.mozilla.org › ... › Reference › Operators › Nullish_coalescing_assignment
Nullish coalescing assignment (??=) - JavaScript | MDN - MDN Web DocsThe nullish coalescing assignment (??=) operator, also known as the logical nullish assignment operator, only evaluates the right operand and assigns to the left if the left operand is nullish (null or undefined).
