Acknowledge alers on Perfherder UI

mass_alert_acknowledge.js

function getPageNumber() {
  const previous = document.querySelector("[aria-label='Previous']");
  return previous.closest("[aria-label*='Page']").getAttribute("aria-label").replace("Page ", "") * 1; 
}

(async () => {
  while (getPageNumber() > 1) {
    document.querySelectorAll("[data-testid*='summary'].form-check-input").forEach(e => e.click())
    await new Promise(r => setTimeout(r, 3000));
    document.querySelectorAll('.btn-secondary [data-icon="check"]').forEach(e => e.parentNode.click())
    await new Promise(r => setTimeout(r, 3000));
    document.querySelector("[aria-label='Previous']").click();
    await new Promise(r => setTimeout(r, 3000));
  }
})();