According to that code, the way to know you need to fallback to MathJax is simply catching `katex.ParseError.prototype`: https://github.com/Khan/react-component

According to that code, the way to know you need to fallback to MathJax is simply catching `katex.ParseError.prototype`: https://github.com/Khan/react-components/blob/406d2210cfb1aff4305f548cdeb5cb63bb06dac6/js/tex.jsx#L61-L75 https://github.com/Khan/react-components/blob/406d2210cfb1af... Q: does this fallback method also cover browsers not supported by KaTeX but supported by MathJax?