User Scripts/Brawlhalla - Calculates the winrate of the users in ranked list on https://www.brawlhalla.com/rankings

bh_ranked.js

setTimeout(() => {
  const domain = 'https://www.brawlhalla.com/rankings';

  if (!window.location.href.startsWith(domain)) {
  	return;
  }
  
  const input = document.querySelector("input[name=p]");

  if (input) {
    input.focus();
    input.setSelectionRange(0, input.value.length);
  }

  document
    .querySelectorAll("[colspan='9']")
    .forEach((e) => e.setAttribute("colspan", "10"));

  document.querySelector("table tbody tr:nth-child(5)").innerHTML +=
    '<th title="Win Rate">Win Rate</th>';

  document.querySelectorAll("table tbody tr:nth-child(n+6)").forEach((tr) => {
    try {
      const stars = tr.querySelector(".stars");

      if (stars) {
        const [win, loss] = stars.nextElementSibling.innerText.split("-").map((e) => +e.trim());

        const winRate = (win / (win + loss)) * 100;

        tr.innerHTML += `<td class="pcenter">${
          isNaN(winRate) ? "N/A" : winRate.toFixed(2) + "%"
        }</td>`;
      }
    } catch (error) {
      console.log("Error while parsing", tr);
      console.error(error);
    }
  });
});