JSFiddle - React, Tailwind, and code Playground

HTML

<p id="output"></p>

JavaScript

function isUnset(inp) {
  return (typeof inp === 'undefined')
}

try {
    if (isUnset(brokenAnswer)) {
        document.getElementById('output').innerHTML = 'If the answer was ok, we would see this message';
    }
catch(error) {
    document.getElementById('output').innerHTML = '..but the browser throws an error :(  ' + error;
}