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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 › 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://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.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://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 gracefully. As ...
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 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://atomizedobjects.com › blog › javascript › nullish-coalescing-vs-or-javascript-operators
Nullish Coalescing vs OR - JavaScript operators (?? vs ||)The difference between the Nullish Coalescing Operator vs OR Operator is that the Nullish Coalescing Operator checks the left hand argument for undefined or null, whereas the Logical OR Operator just checks the left hand argument to see if it is “falsy” or not.
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.
