Curated front end system design resources for interviews and learning

Top JavaScript interview questions and answers for Frontend Engineers (updated for 2026)

This repo demonstrates how to run all specs at once in Cypress version >= 10 and higher

React-Design-Patterns-and-Best-Practices-Second-Edition, Published by Packt

This is the latest advanced react patterns workshop

Let's make our apps fast ⚡

Let's make our apps fast ⚡

A collection of awesome things regarding React ecosystem

A CLI React performance optimization tool that identifies potential unnecessary re-rendering

Short CSS code snippets for all your development needs

❤️ A heart-shaped toggle switch component for React.

Created with StackBlitz ⚡️

Taming the useEffect hook video code

Virtual scrolling component for React

React Forms Handling and Validation Tutorials

Automate running Lighthouse for every commit, viewing the changes, and preventing regressions

System design interview for IT companies

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

A curated list of System Design interview questions for SDE-1 (Experienced),SDE-2 and above.

Red light green light game from squid game made using JavaScript and Three.js

Pure vanilla JavaScript calculator using modern ES6 syntax and classes