Anthropic’s Claude chatbot can now write and run JavaScript code. Today, Anthropic launched a new analysis tool that helps Claude respond with what the company describes as “mathematically ...

But disallowing JavaScript by default and selectively enabling it for specific sites remains a much safer option than letting all sites run JavaScript unrestricted all the time.

Claude.ai can now write and execute Javascript in its quest to generate “mathematically precise and reproducible” answers.

"For fun," he built a complete PC emulator in JavaScript, and then used it to run a fully functioning version of Linux in a web browser. How did it turn out?