JavaScript is the world’s most popular programming language, and now developers can program in JavaScript to build powerful LLM apps.This course will show webdevs how to expand their toolkits with LangChain.js, a popular JavaScript framework for building with LLMs, and will cover useful concepts for creating powerful, context-aware applications.By taking this course, you will: (1) Learn to use LangChain’s underlying abstractions to build your own JavaScript apps. (2) Understand the basics of retrieval augmented generation (RAG). (3) Have the structure of a basic conversational retrieval system that you can use for building your own chatbots.