LaTeX editor doesn't work

[augustin-rialan]

The LaTeX code is read as normal text

The problem is in the public demo: https://plotly.github.io/react-chart-editor/

[ShingWish]

dev/index.html did not load MathJax. Plotly.js automatically loads the MathJax CDN, but sometimes you need to manually add the script. It is recommended to add the MathJax CDN script using the officially recommended v2 version to ensure LaTeX can be correctly parsed.

Solution as below: