Learn LangChain.js
Tutor at Scrimba since 2004, focused on making coding education more accessible and pain-free
Scrimba About this course
Put yourself on the bleeding edge of AI by harnessing the power of LangChain Expression Language to build a chatbot that has deep knowledge of a provided document.
What you'll learn
What you'll learn and build
2:03
Introduction to LangChain from Jacob Lee (Lead Maintainer of LangChain.js)
1:25
App Flow Diagrams
3:14
What are embeddings?
6:13
Supabase Setup
4:04
Split the text
1:57
Split the text II
6:16
Upload to supabase
4:01
Starter code
1:23
Explainer: The Standalone Question
2:09
Aside: Prompt Templates
3:24
Adding the first chain
3:59
Retrieval
6:31
Add StringOutputParser
2:26
Fetching the answer: the template
5:21
Serialize the docs
2:09
Aside: RunnableSequence
4:57
Aside: RunnableSequence 2
2:59
Aside: RunnableSequence 3: RunnablePassthrough
3:47
Super Challenge - add the RunnableSequence
2:20
Super Challenge - solution
4:33
Wire up the UI
2:43
Setting up the memory
2:50
Super Challenge: Wire up the memory
6:21
Performance Issues Check-list
3:49
v0.2 Path Updates
2:02
LangChain Outro
1:33
