MSMaksim Sekretovinml-in-nodejs.hashnode.dev·1d ago · 7 min readML Without Magic: Building a Tiny Language Model in Pure Node.js and Watching Every Weight Change#javascript #nodejs #machine-learning #artificial-intelligence English version | Русская версия Tokenization → embeddings → causal Transformer → LM head → softmax → loss → backpropagation. No TensorF12A