tnbapp/public/tinymce/mathjax/config.js

(() => {
  let className = 'math-tex';
  if (document.currentScript) {
    let urlParts = document.currentScript.getAttribute('src').split('?');
    if (urlParts[1]) {
      let queryParams = urlParts[1].split('&');
      for (let i = 0; i < queryParams.length; i++) {
        let param = queryParams[i].split('=');
        if (param[0] == 'class') {
          className = param[1];
          break;
        }
      }
    }
  }
  MathJax = {
    options: {
      processHtmlClass: className + '|' + className + '-original',
      ignoreHtmlClass: '.*'
    }
  };
})();