Attendance Boost (Optimized)

Faster, event-based attendance boost
换行
// ==UserScript==
// @name         Attendance Boost (Optimized)
// @namespace    http://tampermonkey.net/
// @version      9.0
// @description  Faster, event-based attendance boost
// @match        https://arsdcollege.in/Internet/Student/Attendance_Report_Monthly.aspx
// @run-at       document-end
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
  'use strict';

  const BOOST = 12;

  const getText = (el) =>
    (el.textContent || '').replace(/\s+/g, ' ').trim();

  function applyFix() {
    const dEl = document.getElementById('lbl_Tot_LD');
    const aEl = document.getElementById('lbl_Tot_LA');
    const pEl = document.getElementById('lbl_percentage');

    if (!dEl || !aEl || !pEl) return;

    const delivered = parseInt(getText(dEl));
    const attended = parseInt(getText(aEl));

    if (!delivered || isNaN(attended)) return;

    const newAttended = Math.min(attended + BOOST, delivered);
    const newPct = ((newAttended / delivered) * 100).toFixed(2);

    // Only update if needed (prevents unnecessary DOM writes)
    if (aEl.textContent != newAttended) {
      aEl.textContent = newAttended;
      pEl.textContent = `Percent Attd. (Including Medical): ${newPct}`;

      console.log(
        `[AttFixer] ✅ ${attended} + ${BOOST} = ${newAttended} | ${newPct}%`
      );
    }
  }

  // Run immediately
  applyFix();

  // 🔥 Observe DOM changes instead of polling
  const observer = new MutationObserver(() => applyFix());

  observer.observe(document.body, {
    childList: true,
    subtree: true,
  });

})();