CODE EXAMPLE FOR HTML

latex in html

<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script>
  MathJax = {
    tex: {inlineMath: [['$', '$'], ['(', ')']]}
  };
</script>
<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>