JavaScript Chain Coding Challenge: Fractal Christmas Tree @Frankslaboratory
JavaScript Chain Coding Challenge: Fractal Christmas Tree  @Frankslaboratory
Uploaded December 2020 | Updated September 2026, 1 week ago
This is the JavaScript Chain Coding Challenge, where each coder finishes what the other one started. Fractals are beautiful complex mathematical shapes, let's build one in a shape of Christmas tree using just HTML canvas element and plain vanilla JavaScript.

Part 2 with Radu: youtu.be/Zn3Xf7XBuws

This video will be a regular coding tutorial for beginners so feel free to code along with me. When I'm done with my fractal I will send the code to Radu, to see if he can build on that and take the effect to the next level.

Radu is the real HTML5 canvas expert, I have learned a lot from him, check out his channel youtube.com/RaduMariescuIstodor
24 h Coding Ultramarathon: Final Minutes (Project Showcase) youtu.be/igbvVGWRkmI
!BB - Ep1: Learn Machine Learning in JavaScript youtu.be/QXB1ytG95gs
Complete !BB playlist:
youtube.com/playlist?list=PLB0Tybl0UNfaT1uq9anIjt_Ggo7mT6mMb
Complete Coding ultramarathon playlist (76 projects in 24 hours): youtube.com/playlist?list=PLB0Tybl0UNfYqtrzXghkjL3UP1-17D3rE
If you want general advice from Radu on how to become more efficient, check these videos out:
youtube.com/playlist?list=PLB0Tybl0UNfbW_lZoPxYv-RX_HXZRZogV

Related videos:
Vanilla JavaScript fractal snowflake generator: youtu.be/HXTC5LSep3M
Elaborate randomised fractal tree generator: youtu.be/wBAtHDdaZ2Y

You can message me on TWITTER twitter.com/code_laboratory
Check out some of my source code on CODEPEN codepen.io/franksLaboratory

This tutorial is very beginner friendly. If you know basics of JavaScript and HTML canvas you should be able to follow. I will do my best to help you understand. I've done a lot of particle systems lately, so why don't we do something with fractals for a change. In this web development tutorial for beginners I will show you hot to build a fractal Christmas tree. Happy holidays, have fun :)

If you just started with web development, vanilla JavaScript and HTML canvas recently you might want to try some of the tutorials from beginner friendly projects playlist first: youtube.com/playlist?list=PLYElE_rzEw_v8TXJ_ITSSBP_ypUKfQ7K-

#javascript #htmlcanvas #frankslaboratory
Music: (YouTube audio library) Holly Dazed - RKVC
The description of this video may contain affiliate links, which means that if you buy one of the products that I recommend, I'll receive a small commission without any additional cost for you. This helps to support the channel and allows me to continue making videos like this. Thank you for the support!
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JavaScript Chain Coding Challenge: Fractal Christmas Tree

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