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23rd December 2025

Tool MicroQuickJS Code Executor — Execute JavaScript code in a lightweight MicroQuickJS sandbox environment running via WebAssembly, with results displayed directly on the page. The sandbox supports ES5-like JavaScript features and automatically saves your code in the URL for easy sharing and recovery. Choose between optimized and original WebAssembly versions, try built-in examples, and use Ctrl+Enter to quickly run your code.

This is a beat by Simon Willison, posted on 23rd December 2025.

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