local.js

MathJax.Hub.Config({

    TeX: {
        extensions: ["autoload-all.js", “https://www.matheno.com/MathJax/extensions/img.js"],
        Macros: {
            cmark: "{\\color{green}{\\unicode{x2713}}}",
            xmark: "{\\color{red}{\\unicode{x2717}}}"
        },
        noUndefined: { disabled: true },
        noErrors: { disabled: true }
    },

    tex2jax: {
    inlineMath: [
      ['$','$'], ['\\(','\\)']
    ],
    processEscapes: true,
    displayMath: [
      ['$$','$$'], ['\\[','\\]']
    ],
    balanceBraces: true,
  }
  
});

MathJax.Ajax.loadComplete("https://www.matheno.com/MathJax/config/local.js");