#Javascript

Explain the differences between Promise.any and Promise.all in JavaScript. Discuss how the event loop works and the potential implications of both methods in terms of execution order and handling of asynchronous tasks.

Create a custom React hook that returns an object containing 'value', 'resetValue', 'stop', and 'resume' functions for managing a value that increments every second. Ensure to manage the state and side-effects correctly.

Discuss the concepts of closures in JavaScript, React hooks, and how React lifecycle methods work. Provide examples to illustrate your points.

Design a leave request form that includes a dropdown for leave types, an input text field for additional information, a submit button, and a file upload option. You have 20 minutes to complete this task.

What are the key differences between var, let, and const in JavaScript?