Mozilla would like to see the JavaScript data science ecosystem move forward, but bringing a mature Python scientific stack to the browser will be useful in the meantime.

PyScript, which is, of course, Python in the browser. The tool is in the early experimental phase, so the project doesn’t suggest using it in a production environment yet.

PyScript lets you run Python scripts right in the browser, side by side with JavaScript, with two-way interaction between your code and the web page.

Guido van Rossum, the creator of the hugely popular Python programming language, has given his thoughts on the language for the browser, mobile devices, and upcoming rivals like Julia.

JavaScript’s AI capabilities have evolved rapidly along two main tracks—integrating pre-trained large language models (LLMs) and enabling browser-based AI training.