Testing the runlatex JavaScript make4ht/MathJax support.
Change % !TeX make4ht
to see LaTeX typset PDF.
% !TeX make4ht\documentclass{article}\usepackage{graphicx}\usepackage{amsmath}\begin{document}\begin{center}\includegraphics[scale=.9]{william-shakespeare.jpg}\end{center}\section{graphics}Something \includegraphics[height=1cm]{example-image}\section{math}Equation\begin{equation}\frac{-b\pm\sqrt{b^2-4ac}}{2a}\end{equation}Align\begin{align}y^2&=ax^2+bx+c\\a&=b+c\\b&=2\end{align}\end{document}
% !TeX make4ht\documentclass{article}\usepackage{xcolor}\usepackage{amsmath}\usepackage{graphicx}\begin{document}\begin{itemize}\item \rotatebox{10}{Rotated text}\item BLACK \textcolor{red}{RED} \textcolor{blue}{BLUE}\end{itemize}\begin{enumerate}\item This.\item That.\item The other.\end{enumerate}\end{document}
% !TeX make4ht% !TEX xelatex\documentclass{article}\usepackage{fontspec}\setmainfont{texgyretermes-regular.otf}\newfontfamily\cjkfont{FandolSong-Regular.otf}\begin{document}ABC → αβγ → {\cjkfont 你好}\end{document}
% !TeX make4ht% !TEX lualatex\documentclass{article}\usepackage{fontspec}\setmainfont{texgyretermes-regular.otf}\newfontfamily\cjkfont{FandolSong-Regular.otf}\begin{document}ABC → αβγ → {\cjkfont 你好}\end{document}
% !TeX make4ht% !TEX lualatex\documentclass{article}\begin{document}\directlua{ tex.print('$ 2\string\\pi \string\\approx',2 * math.pi,'$') }\end{document}