Simon Willison used Fable 5.1 to generate an interactive Shadow DOM demonstration tool
AI summary
Simon Willison used a prompt to have Fable 5.1 Medium build an artifact that explains shadow roots in CSS with interactive examples. The tool was released on September 23, 2026.
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23rd September 2026
Prompt to Fable 5.1 Medium:
Build an artifact to explain shadow roots in CSS with interactive examples
This is a beat by Simon Willison, posted on 23rd September 2026 .
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