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What is Promise.any()? Promise.any() is used to run multiple promises in parallel and return the first successfully resolved promise. Behavior: If any one promise resolves, it immediately returns a
What is Promise.all()? Promise.all() is used to run multiple promises in parallel and wait until all of them complete. Behavior: If all promises resolve, it returns a resolved promise with an array o
If you’ve been learning JavaScript, you’ve probably heard: “Everything in JavaScript is an object” 1. The Real Core Concept: Prototype Chain Let’s start with a simple example: const user1 = {
Most developers get stuck comparing Promise.resolve and new Promise, trying to understand the difference. Why This Confusion Happens In simple cases, both approaches behave the same: Promise.resolve(
When I started learning async JavaScript, I was confused about how things evolved from callbacks to async/await. So here’s a simple breakdown with examples 1. What is a Callback? A callback is just a
While solving a Time-Sliced Task Scheduler problem, I realized that my understanding of the event loop, microtasks, and macrotasks was wrong. await does not automatically yield control to the event l
