Convert CAPS CASE to Sentence case

CAPSSUCK.js

javascript: document.querySelectorAll('*').forEach(e => {
  if (e.childNodes.length === 1 && e.childNodes[0].nodeType === Element.TEXT_NODE) {
    if (e.innerText && e.innerText === e.innerText.toUpperCase()) {
      e.innerText = e.innerText.toLowerCase()
        .replace(/^\w|\.\s+\w/gm, t => t.toUpperCase())
        .replace(/\si\s/, ' I ');
    }
  }
});