Tag: nullish coalescing

Learn practical ES6-based techniques-arrow functions, destructuring, default params, optional chaining, and more-to drastically shorten functions without sacrificing clarity.

Truthy and falsy values in JavaScript are simple in theory but full of practical traps. Learn the real list of falsy values, see the gotchas that cause bugs in production, and adopt safer patterns like ?? and explicit checks.

Learn how the nullish coalescing operator (??) helps you avoid common pitfalls with falsy values in JavaScript. Examples, gotchas, interactions with optional chaining and logical operators, TypeScript notes, and best practices included.