Trim vs Test

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Trim
for (const element of document.querySelectorAll('*')) {
  const text = element?.textContent;
  if (text == null) {
  	return true;
  }
  return text.trim() === '';
}
ready
Regex Test
const re = /\S/;

for (const element of document.querySelectorAll('*')) {
  const text = element?.textContent;
  if (text == null) {
  	return true;
  }
  return !re.test(text);
}
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