anki/qt/aqt/data/web/js/mathjax.js

window.MathJax = {
  tex: {
    displayMath: [["\\[", "\\]"]],
    processRefs: false,
    processEnvironments: false,
    packages: {
      '[+]': [
        'noerrors',
        'mhchem',
      ],
    }
  },
  startup: {
    typeset: false,
    pageReady: () => {
      console.log('page is ready');
      return MathJax.startup.defaultPageReady();
    },
  },
  options: {
    renderActions: {
      addMenu: [],
      checkLoading: []
    },
    ignoreHtmlClass: 'tex2jax_ignore',
    processHtmlClass: 'tex2jax_process',
  },
  loader: {
    load: [
      '[tex]/noerrors',
      '[tex]/mhchem',
    ]
  }
};