Parse profile link, birthday month, and birthday day from Facebook birthdays page. Make sure you scroll to bottom first!

parseFacebookBirthdaysPage.js

function parse() {
  let people = document.querySelectorAll("._43q7");
  for (let i = 0; i < people.length; i++) {
    const profile = people[i].childNodes[0].href
    const tooltip = people[i].childNodes[0].getAttribute("data-tooltip-content");
    const monthRegex = new RegExp("\\((\\d{1,2})/\\d{1,2}\\)$", "g");
    const dayRegex = new RegExp("\\(\\d{1,2}/(\\d{1,2})\\)$", "g");
    const monthMatch = monthRegex.exec(tooltip);
    const dayMatch = dayRegex.exec(tooltip);
    const month = monthMatch == null ? null : monthMatch[1];
    const day = dayMatch == null ? null : dayMatch[1];
    console.log(`${profile},${month},${day}`);
  }
}