What did I learn building wardrobes in Three.js?

I’d like to share my design work: a wardrobe and Wardrobe II. I’m currently a beginner working on educational projects. My progress has improved significantly thanks to the guidance and tips from the Three.js community.
wardrobe : https://essabki.github.io/Three.js_wardrobe/

wardrobe_II : https://essabki.github.io/Three.js_wardrobe.II/