📁 Sections in This Repo

• Machine Coding
  Extensive machine coding questions and solutions
  ➤ src/pages/machine-coding

• Polyfills
  Most commonly asked polyfills for JavaScript — arrays, promises, objects, and hooks
  ➤ src/pollyfills

• React Hooks
  Commonly asked custom hooks
  ➤ src/hooks

• Core JavaScript Concepts
  For example, writing a custom function to check if two objects are equal, or to deep clone an object
  ➤ src/problem-solving/general-problem-solving/objects

• General Problem Solving
  Covers problems on arrays, strings, two pointers, sliding window, and more
  ➤ src/problem-solving/general-problem-solving/generic-problem-solving.js

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🤓 Types of Questions Covered in Machine Coding

• Recursive nested checkboxes or Reddit-style nested comment systems
• Autocomplete features (triggered by API or specific characters)
• File uploads with mouse drag/drop events
• Games like Tic Tac Toe and Memory Game
• Infinite scrolling (basic but interview-tested — appreciated for demonstrating core logic clearly)
• Time-based components
• Carousels
• OTP
• ...and many more

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If you find this helpful, star the repo 🌟 and let's connect on Twitter!

🧩 Images of What We've Built Under Machine Coding (and Many More)

Nested checkbox where cheecking parent, should check the children as well, and vice versa

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Reciepe auto complete with caching and debouncing

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Selectable grid, with mouse events in place

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auto compplete on specific characters and bank names, trigger auto complete after "@"

auto complete with tab support where we show a suggestion first (grayed out) and on click of tab complete it

Infinite scrolling

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LRU caching

VS-code like file tree with CRUD