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Cheerio vs node-html-parser for parsing HTML in Node.js: node-html-parser is lighter and faster, Cheerio has a fuller jQuery-style API. How to choose between them.
Node.js
Node.js guides and snippets covering servers, scripting, APIs, web scraping, and AI integrations, with runnable examples pulled from real projects.
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Cheerio vs Puppeteer for web scraping in Node.js: Cheerio parses static HTML and is fast, Puppeteer drives a real browser and handles JavaScript-rendered pages. When to use each, and how to combine them.- Published on
Build a RAG system in Node.js using MongoDB text search. A good fit when you already run MongoDB and need keyword retrieval without a separate vector database.- Published on
Build a RAG system in Node.js with Pinecone and OpenAI embeddings. Semantic search that matches on meaning, for large document collections that outgrow keyword search.- Published on
Build a simple RAG system in Node.js with OpenAI and plain text files. No vector database, no embeddings: pass docs into the model and get answers.- Published on
Web scraping tutorial with Node.js using Axios and Cheerio. Fetch a page, select data with Cheerio CSS selectors, filter it, handle pagination, and save the results to a CSV file.