Joan León Tag: javascript
All the articles with the tag "javascript".
Adding an AI summary to blog posts with the Chrome Summarizer API
Published:How to add an AI summary button to an Astro blog using the browser's native Chrome Summarizer API, without servers or external APIs.
WebPerf Snippets: progressive disclosure in Claude Skills
Published:Applying Anthropic's progressive disclosure system (L1/L2/L3) to reduce the context loaded by WebPerf Snippets Skills and free space in the agent's context window.
WebPerf Snippets agent-first: structured returns and minimal tokens
Published:WebPerf Snippets scripts now return structured JSON directly from evaluate_script() and are minified at build time with dead code elimination, significantly reducing token footprint.
WebPerf Snippets and Agent SKILLs: deterministic audits with Chrome DevTools MCP
Published:WebPerf Snippets become Agent SKILLs with scripts as deterministic tools for AI agents, executable directly in the browser via Chrome DevTools MCP.
WebPerf Snippets + WebMCP: web metrics that AI understands
Published:WebPerf Snippets exposes its performance measurement tools via WebMCP, the new protocol that lets AI assistants interact with the browser natively.
WebAssembly: the W3C's forgotten standard
Published:WebAssembly has been a W3C standard since 2019, but many developers still don't know about it. What it really is, how it works, and why you should know about it.
Yield to Main: setTimeout vs queueMicrotask vs scheduler.postTask
Published:A practical guide on how to use setTimeout, queueMicrotask and scheduler.postTask to break up long tasks and optimize INP. Comparison with measurable examples.
Learning to Program with Processing and P5js
Published:There are many methodologies and languages for learning to program, which is why the first thing a person who wants to learn to program faces is choosing a language or development platform.