Interview Questions

Create a debounce function that limits the rate at which a function can be called.

Create a custom React hook that syncs state with localStorage.

Implement a responsive grid layout that adapts to different screen sizes.

Create a custom implementation of Promise.all() functionality

Create a diffing algorithm to compare two virtual DOM trees and generate minimal updates

Create a Redux-like state management system with middleware support

Create a tool to detect and report potential memory leaks in JavaScript applications

Implement a test runner framework with support for async tests and hooks

Create a basic module bundler that resolves dependencies and bundles JavaScript files

Implement a real-time data synchronization engine using CRDTs

Create a simple JIT compiler for a subset of JavaScript

Implement a time-travel debugger for JavaScript applications

Build a neural network implementation from scratch in JavaScript

Create utility functions for debouncing and throttling function calls

Create an event emitter class with support for multiple listeners and once handlers

Create a function that performs deep cloning of JavaScript objects

Implement a custom iterator with support for filtering and mapping

Create a client-side router for single-page applications

Create a flexible form validation library

Create a storage system with expiration and quota management

Implement virtual scrolling for large lists

Create a middleware system for processing requests or actions

Create a function that calculates the sum of all numbers in an array

Create a function that reverses a string

Create a function that filters out odd numbers from an array

Create a function that counts words in a sentence

Create functions to convert between Celsius and Fahrenheit

Create a function that checks if a string is a palindrome

Create a function that implements the FizzBuzz game

Create a function that counts vowels in a string

Create a function that finds the largest number in an array

Create a function that removes duplicate values from an array

Create a custom hook for form handling with validation

Create a reusable infinite scroll component using Intersection Observer

Implement a draggable and sortable list component

Create a text editor with auto-save functionality

Create a multi-step form with progress tracking

Implement a virtual list component for large datasets

Create a custom color picker component

Create a custom date range picker component