ADAleksandra Dudkinainaleksandradudkina.hashnode.dev·Apr 4 · 8 min readmap vs forEach in JavaScript: The Difference Nobody Talks About (Until It Breaks You in an Interview) There's a difference between map and forEach that most developers know but don't fully think about until it bites them in a real situation. I want to talk about that difference and specifically about 00
ADAleksandra Dudkinainaleksandradudkina.hashnode.dev·Mar 26 · 7 min readRest Parameters and arguments object: A Quick JavaScript GuideWhen I was learning JavaScript, rest parameters and the arguments object felt confusingly similar. Here's a quick breakdown. Why do we even need it Imagine you're writing a function to calculate the t00
ADAleksandra Dudkinainaleksandradudkina.hashnode.dev·Mar 22 · 19 min readJWT Authentication in React: Guide to Access Tokens & Refresh TokensWhat Are Access Tokens and Refresh Tokens? (And Why You Need Both) Before diving into implementation, let’s first understand the HTTP endpoints your frontend communicates with and what each of them do00
ADAleksandra Dudkinainaleksandradudkina.hashnode.dev·Jan 4 · 5 min readfinally() in JavaScript: Why It Can't (Usually) Change a Promise's ResultA common misconception is that finally() behaves like then().In reality, it doesn’t receive values, ignores return values, and only affects a promise in very specific cases. Let’s see why. finally(): 00
