Writing asynchronous code in JavaScript used to come with a limitation: the await keyword could only be used inside an async function. That changed when ES2022 introduced top-level await, a modern ES module feature that enables new patterns for asynchronous code at the module level. What’s top-level await? Traditionally await...

Let me know if this sounds familiar: you’re deep into debugging or trying to access a deeply nested property in a JavaScript object. Suddenly you see this classic error: TypeError: Cannot read property 'x' of undefined This is a common pain point, especially when working with API responses, optional fields,...

Working with arrays in JavaScript is an everyday thing for front-end developers. We reach for arrays constantly — whether we’re rendering lists, managing state, or juggling DOM elements. But what if I told you there’s a more elegant way to access elements at a specific index — especially the last...