16th December 2025
Tool
QuickJS Code Executor
— Execute JavaScript code in a sandboxed QuickJS WebAssembly environment with a built-in synchronous `fetch()` function for retrieving remote content. Code is automatically encoded in the URL hash, allowing you to easily share executable snippets with others. The interface provides a collection of ready-to-run examples covering common programming tasks and JavaScript features, making it useful for learning, testing, and demonstrating code behavior.
Recent articles
- Changes in the system prompt between Claude Opus 4.6 and 4.7 - 18th April 2026
- Join us at PyCon US 2026 in Long Beach - we have new AI and security tracks this year - 17th April 2026
- Qwen3.6-35B-A3B on my laptop drew me a better pelican than Claude Opus 4.7 - 16th April 2026