In day-to-day JavaScript, we often write code that checks a variable before assigning it a new value. These checks can get repetitive, especially when working with component props, global configs, or state objects. That’s where logical assignment operators come in, a compact ES2021 feature that simplifies common conditional assignments without...

As front-end engineers, we frequently deal with asynchronous data, such as API responses, streams, lazy-loaded content, and more. JavaScript has long provided tools for managing async logic, but working with async iterables has often required verbose or manual handling. Enter Array.fromAsync(), a modern addition to JavaScript that simplifies the process...

Whether you’re building UI components, calling APIs, or writing some utility functions, it’s quite common to deal with optional function arguments. Traditionally, you’d fall back on if statements or logical ORs to assign default values. But let’s be honest, that can lead to subtle bugs. How often have you written...