AI Automation Builder & Workflow Simulator
Build and debug executable automation workflows in JavaScript. Inspect payloads, test branch rules and retries, and export working source.
Explore guide : AI Automation Builder & Workflow SimulatorLearn JavaScript, AI & Google Apps Script by building projects.
Free interactive tutorials for JavaScript, Google Apps Script, AI and the modern web. Try an idea, see what happens, and make something useful.
Browser-based practice · Self-paced learning · No account needed for the guides
your-next-skill.jsJS
01
const curiosity = 'what if?';02function learn(idea) {03 predict(idea);04 experiment(idea);05 return buildWithConfidence();06}Small experiments. Real understanding.Understand → Practice → Build → Verify
Your next skill starts with one small step.
New interactive guides
Explore the latest additions to the DiscoveryVIP learning library.
RAG & AI Knowledge Systems Workshop
Build document-grounded AI systems in JavaScript. Inspect text chunks, compare retrieval rankings, verify exact source excerpts, and measure regressions.
Explore guide : RAG & AI Knowledge Systems WorkshopJavaScript Data Visualization & Dashboard Studio
Import, clean and transform real data in JavaScript, then build interactive charts with source-row inspection and linked dashboard filters.
Explore guide : JavaScript Data Visualization & Dashboard StudioInteractive UI Components & Web App Builder
Repair an accessible dialog, inspect real UI behavior, and build responsive apps with editable HTML, CSS, and JavaScript.
Explore guide : Interactive UI Components & Web App BuilderVibe Learning Interactive Course Creator
Design an interactive course, test adaptive lesson paths and publish standalone HTML with working assessments and feedback.
Explore guide : Vibe Learning Interactive Course CreatorJavaScript Performance & Debugging Master Lab
Profile a slow dashboard, repair JavaScript bugs, and verify improvements with real timings and regression checks.
Explore guide : JavaScript Performance & Debugging Master LabFeatured developer tools
Browse all tools →File Checksum Verifier
Calculate a local file hash and compare it with an expected SHA-256, SHA-384 or SHA-512 checksum.
CSS Easing Playground
Shape a cubic-bezier curve, preview motion and export reusable transition CSS.
JSON Lines Converter
Convert JSON arrays to JSON Lines and validate JSON Lines with precise line errors.
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Learning pathways by experience
Beginner
Start with values, functions and browser interactions.
Start the JavaScript Learning GuideIntermediate
Build small apps and test their behavior as you go.
Build apps in JavaScript Build StudioAdvanced
Investigate defects and work through engineering tickets.
Practice in JavaScript Engineering Academy Pro