Being able to dynamically change the size of an array is a strength of JavaScript, but assigning values by skipping indices creates unexpected behavior. When you want to safely add elements to an ...

"Client performance is abundant, so we should use more of it"—I agree. However, an SPA that naively expands all data into memory with `fetch().then(r => r.json())`, maps the array, and builds the DOM ...

Initially, I used basic loops for almost everything. But while learning more, I started understanding how JavaScript array methods make code cleaner and easier to read. Some methods that I’m using ...

Small notes from today’s learning 👇 map () Used to transform data Returns a new array filter () Used to filter data based on conditions find () Used to get a single matching value These methods make ...