Weekly frontend challenges for serious learners

Build real-world frontend skills, one challenge at a time.

A curated set of hands-on challenges that help you grow from “tutorial-watcher” to engineer who ships. Each challenge is built to be Substack-ready so you can follow along or share with your own audience.

Perfect for frontend devs and educators who want to turn challenges into content across LinkedIn, Substack, YouTube, and more.

Live Challenge New every week

“Build your own real-time search filter”

  • ✅ Problem statement & UX brief
  • ✅ Hints & implementation notes
  • ✅ Solution outline & extensions
See all available challenges →
🎯 Free Resource

Frontend Interview & Learning Kit

Your complete guide to mastering frontend interviews—curated resources, proven strategies, and project ideas to think like a senior engineer.

117 stars 39 forks 15+ topics covered
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Designed for deliberate practice and content creation

Use these challenges to sharpen your frontend skills and as a foundation for LinkedIn posts, newsletters, and video content.

Simple to start, deep to master

Each challenge is scoped so you can get something working in under a weekend, with clear opportunities to extend and refactor.

Real-world product problems

Focus on building features you’d actually ship — routing, search, state management, PWA behavior — not just toy widgets.

Framework-agnostic

Solve challenges with React, Vue, Svelte, vanilla JS, or your stack of choice. Revisit the same problem as your skills grow.

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Technical Interview Guide

The Complete
JavaScript
Interview
Handbook

✓ 28 Chapters ✓ 200+ Examples ✓ Real Questions
📚 Premium Resource

Get The Complete JavaScript Interview Handbook

A comprehensive technical resource designed for developers preparing for JavaScript interviews at modern tech companies. Master core concepts, advanced patterns, and practical problems with working code examples.

📖
28 Structured Chapters

From closures to design patterns

💻
200+ Working Examples

Run and modify real code

🎯
Interview-Ready

Polyfills, patterns, and strategies

"

This handbook is an excellent resource for frontend developers. It covers all essential JavaScript concepts — from basics to advanced — that are frequently asked in interviews.

— Akshay Kolhe, Nov 2025
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