February 2026
Intermediate to advanced
392 pages
11h 40m
English
Content preview from Build AI-Enhanced Web Apps
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6 Building AI workflows with LangChain.js
This chapter covers
- Using LangChain.js core features to build context-aware AI applications
PromptTemplate, few-shot learning, and other strategies for prompt management- Chaining calls to improve generative AI responses
- Preparing and storing information for efficient document ingestion and retrieval
- Using memory components in LangChain.js to remember conversation history
- Integrating LangChain.js with the Vercel AI SDK
As we have explored using large language models (LLMs) for generating content, we’ve primarily focused on single interactions. In these scenarios, we send a prompt along with relevant context history, parse the response, and then display it to the end user. However, what if we want ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.