Start hereAI agents
How to learn AI agents as a JavaScript developer: a 4-week plan
A 4-week plan for JavaScript developers: LLM calls, tool calling, the agent loop, RAG, LangGraph and production, 20 minutes a day with free lessons.
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The StudyVisually blog
Guides to building AI agents in JavaScript, turning notes and PDFs into flashcards, and study methods backed by research, each with sources and free lessons.
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- AI agents
Tool calling in JavaScript, explained with one example
How an LLM asks your JavaScript code to run a function: the tool schema, the tool_calls reply, parsing arguments, sending the result back and the second call.
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- AI agents
The agent loop: how an AI agent decides, acts and checks
An AI agent is a model in a loop with tools. See the loop in 20 lines of JavaScript, how it stops, and when a plain workflow is the better choice.
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- AI agents
RAG in JavaScript, from embeddings to answers
Retrieval-augmented generation in JavaScript: chunk your docs, embed them, search by meaning with pgvector, then make the model answer only from what it found.
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- AI agents
AI engineer interview questions for JavaScript developers, and how to practise them
Twelve questions interviewers ask about agents, tool calling, RAG, evals and safety, what a strong answer covers, and how to practise saying it in 60 seconds.
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- How-to
How to turn a PDF into flashcards with AI (and what to fix after)
Turn a PDF into flashcards in four steps: pick the right pages, let AI draft the cards, then edit them down to one idea each. Includes what to do with scanned PDFs.
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- How-to
How to make flashcards from lecture notes that actually stick
Good flashcards ask one thing, in your own words, with an answer you can check. Seven rules for turning lecture notes into cards, with before-and-after examples.
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- Study methods
Spaced repetition explained: how FSRS schedules your reviews
Spaced repetition shows a card just before you would forget it. How FSRS predicts that moment, how it differs from SM-2, and what your rating buttons do.
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- Study methods
Active recall beats rereading: what the research says
In a classic study, students who tested themselves remembered 61% a week later, against 40% for students who reread. What that means for how you revise.
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- Product
Introducing StudyVisually: seven ways to study one topic
StudyVisually turns a topic or your own notes into concept cards, flashcards, diagrams and practice questions. What each of the seven modes is for, and what is free.
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