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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
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://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://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.slingacademy.com › article › nullish-coalescing-in-javascript-a-developers-guide
Nullish Coalescing in JavaScript: A Developer’s GuideNullish Coalescing in JavaScript offers a robust solution for handling null and undefined values explicitly, allowing for cleaner, more predictable code. By understanding and utilizing this operator, developers can avoid common pitfalls associated with falsy value coercion and ensure their applications handle variable states more ...
https://www.freecodecamp.org › news › nullish-coalescing-operator-in-javascript
How the Nullish Coalescing Operator Works in JavaScript - freeCodeCamp.orgES11 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. Let's get started.
https://dev.to › tscharke › nullish-coalescing-operator-explained-54ao
Nullish coalescing operator - explained - DEV CommunityThe answer is obvious: The nullish coalescing operator (?? ) checks whether a value is nullish , i.e. whether it's null or undefined . And an empty string ( "" ) is an empty string in JavaScript and thus neither null nor undefined - but falsy 🤣
https://daily.dev › blog › nullish-coalescing-operator-in-javascript-what-is-it-and-how-to...
Nullish Coalescing Operator (??) In JavaScript - What Is It And How To ...The Nullish Coalescing Operator returns the right-hand side value when the left-side one is `undefined` or `null`. Using the OR (`||`) operator, you can run into troubles with falsy values like 0 and empty strings.
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 › 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.
