UOG Boys Hostel - Mess Attendance Email Template

MessAttendance.js

<script>
  function customCalendar(year, month) {
    month--;
    let d = new Date(year, month);
    let firstDay = d.getDay();
    let date = 1, dateIter = 1;
    
    var table = "<table>";
    table += "<tr><th colspan=14>" + d.toLocaleString('en-us', { month: 'long' }) + " " + d.getFullYear() + "</th></tr>";
    table += "<tr>";
      table += "<th colspan=2>Mon</th>";
      table += "<th colspan=2>Tue</th>";
      table += "<th colspan=2>Wed</th>";
      table += "<th colspan=2>Thu</th>";
      table += "<th colspan=2>Fri</th>";
      table += "<th colspan=2>Sat</th>";
      table += "<th colspan=2>Sun</th>";
    table += "</tr>";

    for (let i = 0; i < 6; i++) {
      // creates a table row
      table += "<tr>";
      //creating individual cells, filing them up with data.
      date = dateIter;
      for (let j = 1; j <= 7; j++) {
        if (i === 0 && j < firstDay) {
          table += "<td colspan=2></td>";
        } else if (date > daysInMonth(month, year)) {
          break;
        } else {
          let d = new Date(year, month, date);
          table += "<th colspan=2>" + d.getDate() + "-" + d.toLocaleString('en-us', { month: 'short' }) + "</th>";
          date++;
        }
      }
      table += "</tr>";

      // creates a table row
      table += "<tr>";
      //creating individual cells, filing them up with data.
      date = dateIter;
      for (let j = 1; j <= 7; j++) {
        if (i === 0 && j < firstDay) {
          table += "<td></td>";
          table += "<td></td>";
        } else if (date > daysInMonth(month, year)) {
          break;
        } else {
          let currentDate = new Date(year, month, date);
          table += "<td>" + "L" + "</td>";
          table += "<td>" + "D" + "</td>";
          date++;
          dateIter++;
        }
      }
      table += "</tr>";
    }
    return table;
  }

  function daysInMonth(iMonth, iYear) {
    return 32 - new Date(iYear, iMonth, 32).getDate();
  }
</script>