Vidéos
https://developer.mozilla.org › ... › Web › JavaScript › Reference › Operators › Optional_chaining
Optional chaining (?.) - JavaScript | MDN - MDN Web DocsLearn how to use the optional chaining (?.) operator in JavaScript to access object properties or call functions without throwing errors if they are null or undefined. See syntax, examples, and short-circuiting behavior of this operator.
https://javascript.info › optional-chaining
Optional chaining - The Modern JavaScript TutorialLearn how to use the optional chaining ?. syntax to access nested object properties safely, even if an intermediate property doesn’t exist. See examples, advantages, limitations and alternatives of ?. in this tutorial.
https://www.javascripttutorial.net › javascript-optional-chaining-operator
JavaScript Optional Chaining Operator - JavaScript TutorialLearn how to use the optional chaining operator (?.) to access nested properties in a series of objects without checking for null or undefined values. See examples of using the operator with functions, methods, and nullish coalescing operator.
https://www.freecodecamp.org › news › optional-chaining-javascript
Optional Chaining in JavaScript – Explained with ExamplesLearn how to use optional chaining (?. operator) to access nested properties and methods without null or undefined checks. See examples of optional chaining for objects, arrays and dynamic property access.
https://www.freecodecamp.org › news › javascript-optional-chaining-explained
JavaScript Optional Chaining `?.` Explained - How it Works and When to ...Learn how to use optional chaining, a new feature in ES2020, to access deeply nested objects without null checks. See examples, use cases, and how to enable it in browsers and Node with Babel.
https://delicious-insights.com › fr › articles-et-tutos › js-optional-chaining-nullish...
Optional chaining et Nullish coalescing - Delicious InsightsFini les ternaires ou && imbriqués pour accéder en profondeur à une chaîne de données optionnelles ! Avec ces opérateurs d’ES2020, tout ça se simplifie drastiquement.
https://dmitripavlutin.com › javascript-optional-chaining
How to Use JavaScript Optional Chaining - Dmitri Pavlutin BlogLearn how to use optional chaining, a new feature in ES2020, to access deep properties from objects without null or undefined errors. See examples, benefits, and alternatives of optional chaining in JavaScript and TypeScript.
https://runebook.dev › fr › docs › javascript › operators › optional_chaining
JavaScript - Optional chaining [fr] - Runebook.devChaînage optionnel avec appels de fonction. Vous pouvez utiliser le chaînage facultatif lorsque vous tentez d'appeler une méthode qui n'existe peut-être pas.
https://dev.to › angela_teyvi › optional-chaining-in-javascript-pros-cons-and-best...
Optional Chaining in JavaScript: Pros, Cons, and Best PracticesInstead of cluttering your code with checks and balances, optional chaining lets you access nested properties without breaking a sweat or crashing your app. It’s a game changer for cleaner, more readable code. Let’s dive into what optional chaining is, how it works, and why you should consider using it.
https://dev.to › bitheap_tech › optional-chaining-in-javascript-simplify-your-code-and...
Optional Chaining in JavaScript: Simplify your Code and Avoid Unwanted ...Learn how to use Optional Chaining, a feature introduced in ES2020, to access properties and methods of an object without null checks or conditional statements. See examples of common use cases and how to avoid unwanted errors caused by undefined objects.
