Radu Mariescu-Istodor

@UC3XGlNq8O5hZlZBJlSFB4jg - 40.1K subscribers

I have a PhD in Computer Science and I want to teach you things. I publish: 1. Courses I teach at the university 2. JavaScript project tutorials 3. Entertaining videos about coding 4. Advice I give to my students 5. Some weird things. You'll see...

Home Videos Live Playlists

LEO: A Live Coding Assistant for Teachers

LEO: A Live Coding Assistant for Teachers Radu Mariescu-Istodor

2K views - 3 months ago

How I Edit My Coding Tutorials

How I Edit My Coding Tutorials Radu Mariescu-Istodor

896 views - 3 months ago

JavaScript Mystery Project Tutorial

JavaScript Mystery Project Tutorial Radu Mariescu-Istodor

1.2K views - 3 months ago

BRIO Train Track Builder in JavaScript

BRIO Train Track Builder in JavaScript Radu Mariescu-Istodor

1.1K views - 4 months ago

BRIO Train Track Piece Generator in JavaScript

BRIO Train Track Piece Generator in JavaScript Radu Mariescu-Istodor

1.3K views - 4 months ago

Water Pipes Illusion with JavaScript and HTML Canvas

Water Pipes Illusion with JavaScript and HTML Canvas Radu Mariescu-Istodor

2.2K views - 4 months ago

Why It Took Me 2 Years to Make This Course

Why It Took Me 2 Years to Make This Course Radu Mariescu-Istodor

2.2K views - 4 months ago

Computational Problem Solving #SoME4

Computational Problem Solving #SoME4 Radu Mariescu-Istodor

6K views - 5 months ago

Decode the Drawings ⭐ COMPETITION RESULTS ⭐

Decode the Drawings ⭐ COMPETITION RESULTS ⭐ Radu Mariescu-Istodor

620 views - 6 months ago

Can You Draw Yellow with Red and Green Pixels?

Can You Draw Yellow with Red and Green Pixels? Radu Mariescu-Istodor

922 views - 6 months ago

My Favorite Optical Illusion - JavaScript Tutorial

My Favorite Optical Illusion - JavaScript Tutorial Radu Mariescu-Istodor

854 views - 6 months ago

Doppler Effect Simulator with Vue.js, TypeScript and the Web Audio API

Doppler Effect Simulator with Vue.js, TypeScript and the Web Audio API Radu Mariescu-Istodor

1.9K views - 6 months ago

Decode the Drawings Competition - Second Status Update

Decode the Drawings Competition - Second Status Update Radu Mariescu-Istodor

650 views - 7 months ago

JavaScript Hering Illusion Tutorial

JavaScript Hering Illusion Tutorial Radu Mariescu-Istodor

754 views - 7 months ago

A Surprising Visual Demo with JavaScript & HTML Canvas

A Surprising Visual Demo with JavaScript & HTML Canvas Radu Mariescu-Istodor

2.2K views - 7 months ago

Scintillating Grid Optical Illusion using JavaScript

Scintillating Grid Optical Illusion using JavaScript Radu Mariescu-Istodor

1.3K views - 7 months ago

Zig-Zag Game 🏆COMPETITION RESULTS 🏆

Zig-Zag Game 🏆COMPETITION RESULTS 🏆 Radu Mariescu-Istodor

944 views - 7 months ago

Creating a Security Checker Game | Coding on a Train

Creating a Security Checker Game | Coding on a Train Radu Mariescu-Istodor

905 views - 8 months ago

Procedural Bag Generator with HTML, CSS, and JavaScript | Coding on Turkish Airlines

Procedural Bag Generator with HTML, CSS, and JavaScript | Coding on Turkish Airlines Radu Mariescu-Istodor

1.3K views - 8 months ago

Bad Apple - JavaScript Static 🏆COMPETITION RESULTS 🏆

Bad Apple - JavaScript Static 🏆COMPETITION RESULTS 🏆 Radu Mariescu-Istodor

1.4K views - 8 months ago

Decode the Drawings - Status & Prize Update

Decode the Drawings - Status & Prize Update Radu Mariescu-Istodor

777 views - 8 months ago

Decode the Drawings - Coding Competition (Ended, August 2025)

Decode the Drawings - Coding Competition (Ended, August 2025) Radu Mariescu-Istodor

3K views - 8 months ago

Advanced JavaScript Animation Tutorial

Advanced JavaScript Animation Tutorial Radu Mariescu-Istodor

3.8K views - 9 months ago

Exploring the Missing Square Illusion | HTML Canvas Grid & Polygons Tutorial

Exploring the Missing Square Illusion | HTML Canvas Grid & Polygons Tutorial Radu Mariescu-Istodor

1.4K views - 9 months ago

Auto-Typing App with Vanilla JavaScript

Auto-Typing App with Vanilla JavaScript Radu Mariescu-Istodor

2.3K views - 9 months ago

Intermediate JavaScript Canvas Project Tutorial

Intermediate JavaScript Canvas Project Tutorial Radu Mariescu-Istodor

1.7K views - 10 months ago

Magnifier Illusion in JavaScript: Text Enlargement Effect

Magnifier Illusion in JavaScript: Text Enlargement Effect Radu Mariescu-Istodor

1.8K views - 10 months ago

JavaScript CHALLENGE! Denoise Bad Apple 🍎

JavaScript CHALLENGE! Denoise Bad Apple 🍎 Radu Mariescu-Istodor

2.1K views - 10 months ago

Bad Apple!! But it’s a JavaScript Tutorial

Bad Apple!! But it’s a JavaScript Tutorial Radu Mariescu-Istodor

3.8K views - 11 months ago

How to Build a QR Code Positioning System

How to Build a QR Code Positioning System Radu Mariescu-Istodor

7.7K views - 11 months ago

Animating a Roller Coaster with JavaScript and HTML Canvas

Animating a Roller Coaster with JavaScript and HTML Canvas Radu Mariescu-Istodor

1.6K views - 11 months ago

Tracking App in JavaScript without a Map Service

Tracking App in JavaScript without a Map Service Radu Mariescu-Istodor

13.9K views - 11 months ago

Circle Illusion using JavaScript

Circle Illusion using JavaScript Radu Mariescu-Istodor

4.5K views - 1 year ago

Building a Maps Application: HTML, CSS, and JavaScript Tutorial

Building a Maps Application: HTML, CSS, and JavaScript Tutorial Radu Mariescu-Istodor

5.4K views - 1 year ago

Zig-Zag Game Tutorial with JavaScript [ Thought Process ]

Zig-Zag Game Tutorial with JavaScript [ Thought Process ] Radu Mariescu-Istodor

5.5K views - 1 year ago

I'll Guess Your Number!

I'll Guess Your Number! Radu Mariescu-Istodor

1.9K views - 1 year ago

❄️ Ice Swimming in Finland ❄️

❄️ Ice Swimming in Finland ❄️ Radu Mariescu-Istodor

3.9K views - 1 year ago

🎄 Christmas Calendar Coding Project Showcase 🎄

🎄 Christmas Calendar Coding Project Showcase 🎄 Radu Mariescu-Istodor

1.2K views - 1 year ago

JavaScript 🎄 Christmas Calendar 📅 Day 24 🎄

JavaScript 🎄 Christmas Calendar 📅 Day 24 🎄 Radu Mariescu-Istodor

1.1K views - 1 year ago

JavaScript 🦌 Christmas Calendar 📅 Day 23 🎄

JavaScript 🦌 Christmas Calendar 📅 Day 23 🎄 Radu Mariescu-Istodor

607 views - 1 year ago

JavaScript ⛸️ Christmas Calendar 📅 Day 22 🎄

JavaScript ⛸️ Christmas Calendar 📅 Day 22 🎄 Radu Mariescu-Istodor

426 views - 1 year ago

JavaScript 🟢 Christmas Calendar 📅 Day 21 🎄

JavaScript 🟢 Christmas Calendar 📅 Day 21 🎄 Radu Mariescu-Istodor

455 views - 1 year ago

JavaScript ⛄ Christmas Calendar 📅 Day 20 🎄

JavaScript ⛄ Christmas Calendar 📅 Day 20 🎄 Radu Mariescu-Istodor

466 views - 1 year ago

JavaScript 🔔 Christmas Calendar 📅 Day 19 🎄

JavaScript 🔔 Christmas Calendar 📅 Day 19 🎄 Radu Mariescu-Istodor

418 views - 1 year ago

JavaScript 🌐 Christmas Calendar 📅 Day 18 🎄

JavaScript 🌐 Christmas Calendar 📅 Day 18 🎄 Radu Mariescu-Istodor

446 views - 1 year ago

JavaScript 🍪 Christmas Calendar 📅 Day 17 🎄

JavaScript 🍪 Christmas Calendar 📅 Day 17 🎄 Radu Mariescu-Istodor

401 views - 1 year ago

JavaScript 🎁 Christmas Calendar 📅 Day 16 🎄

JavaScript 🎁 Christmas Calendar 📅 Day 16 🎄 Radu Mariescu-Istodor

527 views - 1 year ago

JavaScript 🗓️ Christmas Calendar 📅 Day 15🎄

JavaScript 🗓️ Christmas Calendar 📅 Day 15🎄 Radu Mariescu-Istodor

776 views - 1 year ago

JavaScript 🎅 Christmas Calendar 📅 Day 14🎄

JavaScript 🎅 Christmas Calendar 📅 Day 14🎄 Radu Mariescu-Istodor

482 views - 1 year ago

JavaScript 🌲 Christmas Calendar 📅 Day 13 🎄

JavaScript 🌲 Christmas Calendar 📅 Day 13 🎄 Radu Mariescu-Istodor

419 views - 1 year ago

JavaScript 🛷 Christmas Calendar 📅 Day 12 🎄

JavaScript 🛷 Christmas Calendar 📅 Day 12 🎄 Radu Mariescu-Istodor

494 views - 1 year ago

JavaScript ❄️ Christmas Calendar 📅 Day 11 🎄

JavaScript ❄️ Christmas Calendar 📅 Day 11 🎄 Radu Mariescu-Istodor

576 views - 1 year ago

JavaScript 🍬 Christmas Calendar 📅 Day 10 🎄

JavaScript 🍬 Christmas Calendar 📅 Day 10 🎄 Radu Mariescu-Istodor

569 views - 1 year ago

JavaScript 🧤 Christmas Calendar 📅 Day 9 🎄

JavaScript 🧤 Christmas Calendar 📅 Day 9 🎄 Radu Mariescu-Istodor

504 views - 1 year ago

JavaScript 🕯️ Christmas Calendar 📅 Day 8 🎄

JavaScript 🕯️ Christmas Calendar 📅 Day 8 🎄 Radu Mariescu-Istodor

646 views - 1 year ago

JavaScript 🔵 Christmas Calendar 📅 Day 7 🎄

JavaScript 🔵 Christmas Calendar 📅 Day 7 🎄 Radu Mariescu-Istodor

944 views - 1 year ago

JavaScript 🔔 Christmas Calendar 📅 Day 6 🎄

JavaScript 🔔 Christmas Calendar 📅 Day 6 🎄 Radu Mariescu-Istodor

679 views - 1 year ago

JavaScript 🎀 Christmas Calendar 📅 Day 5 🎄

JavaScript 🎀 Christmas Calendar 📅 Day 5 🎄 Radu Mariescu-Istodor

771 views - 1 year ago

JavaScript 🍭 Christmas Calendar 📅 Day 4 🎄

JavaScript 🍭 Christmas Calendar 📅 Day 4 🎄 Radu Mariescu-Istodor

799 views - 1 year ago

JavaScript 🧦 Christmas Calendar 📅 Day 3🎄

JavaScript 🧦 Christmas Calendar 📅 Day 3🎄 Radu Mariescu-Istodor

996 views - 1 year ago