Round Milliseconds

/************************************
 **   Round Widget Milliseconds    **
 ************************************/
function parseNumber(value, locales = navigator.languages) {
  // https://stackoverflow.com/a/45309230
  const example = Intl.NumberFormat(locales).format('1.1');
  const cleanPattern = new RegExp(`[^-+0-9${example.charAt(1)}]`, 'g');
  const cleaned = value.replace(cleanPattern, '');
  const normalized = cleaned.replace(example.charAt(1), '.');
 
  return parseFloat(normalized);
}
 
function roundMilliseconds() {
  const elements = document.querySelectorAll('.service-block div');
 
  for (const el of elements) {
    let content = el.textContent;
    const millisecondsRx = /^[\d,]+\.\d+ ms$/;
    /*
    56,809
    Queries
    3,589.0 ms      <== MATCHES
    Blocked
    10.43 ms        <== MATCHES
    Latency
    123 ms          <== no match, it's already a whole number
    12,335 ms       <== no match, it's already a whole number
    xyz 21.90 ms    <== no match, has unexpected characters
    */
    if (millisecondsRx.test(el.textContent)) {
      try {
        const ms = Math.round(parseNumber(content));
        content = Intl.NumberFormat().format(ms) + ' ms';
      } catch (err) {
        console.error(err);
      }
    }
 
    if (el.textContent !== content) {
      el.textContent = content;
    }
  }
 
  setTimeout(roundMilliseconds, 500);
}
 
/************************************
 **              MAIN              **
 ************************************/
 
roundMilliseconds();