#Javascript

Explain JavaScript fundamentals including the event loop, call stack, and task queue with a live example. Additionally, write a polyfill for Promise.all that handles both resolve and reject cases, followed by a discussion on how Promise.allSettled differs from Promise.all and its use cases.

Explain the different phases of JavaScript events and provide an example that illustrates these phases.

Explain and implement debounce and throttle functions in a real-world use case.

Implement a polyfill for the `reduce` function in JavaScript.

What are the different types of scopes in JavaScript? Explain each with examples.