Engineering JavaScript Internals

A structured React reference for understanding JavaScript runtime behavior, execution flow, asynchronous work, memory, objects, and modern language features.

Features

• Notes for execution context, call stack, event loop, promises, closures, prototypes, memory, and generators
• Practical mental models and runtime-focused examples
• Persistent light and dark theme switcher
• Fixed learning header, responsive layout, icon-based footer, and go-to-top control

Tech stack

React, Vite, styled-components, CSS, and React Icons.

Run locally

npm install
npm run dev

Build and deploy

npm run build
npm run deploy

Live app: https://a2rp.github.io/engineering-javascript-internals/

Links

• Portfolio: https://www.ashishranjan.net/
• GitHub: https://github.com/a2rp
• CodePen: https://codepen.io/ash1198
• LinkedIn: https://www.linkedin.com/in/aashishranjan
• Facebook: https://www.facebook.com/theash.ashish/
• YouTube: https://www.youtube.com/@ashishranjan-ashz?sub_confirmation=1
• Email: ash.ranjan09@gmail.com

Support

• Support: https://a2rp-donation-page.netlify.app/
• Buy Me a Coffee: https://buymeacoffee.com/a2rp
• Patreon: https://www.patreon.com/a2rp