Let's animate our 3D model using Three.js with React Three Fiber.
We'll use a model purchased in a pack from the Unity Asset Store and use free animations from Mixamo.
Link to the final result
Link to the source code
React Three Fiber documentation
Unity Asset Store
Create your React App in a minute with Vite
If you want to dive deeper into Three.js I highly recommend you to follow Bruno Simon complete tutorial named Three.js Journey.
I also have a discount code just for you to get -20%