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**Farid** · 11-09-2024, 01:03 AM

English | 2024 | ISBN: NA | 120 Pages | PDF | 5 MB

LangChain for JavaScript Developers

Quote:LangChain for JavaScript developers - how to integrate LLMs into JavaScript apps by building 5 real examples using LangChain, Next.js and React.

LangChain for JavaScript developers is a practical beginner's workshop for integrating LLMs into JS applications.

Learn by building 5 real LLM-powered apps with LangChain, Next.js, and React.

? Preview first 25 pages for free

The AI Engineer, responsible for integrating AI features into traditional software applications, will be one of the most in-demand roles in the coming years. In fact, there is a high chance that AI Engineers will outnumber ML Engineers in the near future.

LangChain is a perfect gateway to starting your AI Engineering journey. LangChain serves as the orchestrator that connects nearly everything in the AI-Webapp integration system. Starting from this point, you can gain a good understanding of how all the components work together.

Not yet ready to buy? Let's keep in touch ??.

I've been doing JavaScript for almost 20 years, and this book emerged from my struggle to reconcile the undeniable wave of AI Technologies with classic web development. You can read the full story here.

In this short course, we take a fun, hands-on, and pragmatic approach to learning how to build LLM-powered apps using LangChain. We will build the following five examples using LangChain, Next.js, and React

? The Story Maker
? Tea Wikipedia app
? Geography Trivia game
? Documents Researcher app
?️‍♂️ AI Agent chatbot
The goal of this course is to teach you LangChain development in a manageable way without overwhelming you. Some of the topics we will cover include:

models and prompt templates
output parsers,
streaming data
conversation memory
agents & tools
RAG - Retrieval Augmented Generation
debugging responses and more.
? See the full table of contents

Recent Changes

01 aug 2024: both code samples and the content are updated to use LCEL (LangChain Expression Language) & removed all the code references to ChatGPT 3.5
19 may 2024: I've updated all the code to use the .invoke method for chains instead of .call. The .call method will be deprecated in the future versions of LangChain.
Not yet ready to buy? Let's keep in touch ??.

What prerequisites do I need to have before taking this course?

The examples are using Next.js and React. You don't need to be an expert but you will need a very basic understanding of how React works.

Is the learning material up-to-date?

LangChain is currently undergoing rapid development. Technical books often become outdated soon after release, but since this book is self-published, I can update it as needed. I aim to provide monthly updates.

What if I don't like it? Can I get a refund?

I'm sorry to hear that you're not happy with the book! Yes, you can do a refund request within 60 days of purchase and I will fully refund you the price. While not mandatory, I would appreciate it if you could provide the reason for the refund so I can improve the book.

Do you support Purchasing Power Parity or student discounts?

If you live in a country with low purchasing power, or you are a student mail me with your details and some proof (student ID, etc.) and I'll organize a special discount for you.

🌞 Contents of Download:
📌 langchain-javascript.pdf (4.88 MB)

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⭐️ LangChain For JavaScript Developers How To Integrate LLMs Into Javascript Web Apps ✅ (4.88 MB)
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