Explains optional chaining in Swift for safely accessing properties, methods, and subscripts on optional values without manual unwrapping.
Learn how to use ES2020 optional chaining to simplify and improve the readability of nested property checks in JavaScript if statements.
Lessons from refactoring a large JavaScript codebase to use optional chaining, including patterns to search for and pitfalls to avoid.
Explains the two main uses of the question mark in JavaScript: the ternary operator and optional chaining.
A guide to using JavaScript's optional chaining operator (?.) to safely access deeply nested object properties, reducing boilerplate null checks.
