Way to show texerror in MathJax

Question

I'm using cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-AMS_HTML-full

When MathJax tries to render $$2^2^x$$, it shows 2^2^x instead of error "Double exponent: use braces to clarify"

What configuration should I use in order to show the error?

Answer 1

Use

<script type="text/x-mathjax-config">
MathJax.Hub.Config({
  TeX: {
    noErrors: {disabled: true}
  }
});
</script>

just before the script that loads MathJax.js itself. That will display the error messages instead of the original TeX code.