Get Weeks In Month Through Javascript

Question

In Javascript, how do I get the number of weeks in a month? I can\'t seem to find code for this anywhere.

I need this to be able to know how many rows I need for a g

Answer 1

function getWeeksInMonth(month_number, year) {
  console.log("year - "+year+" month - "+month_number+1);

  var day = 0;
  var firstOfMonth = new Date(year, month_number, 1);
  var lastOfMonth = new Date(year, parseInt(month_number)+1, 0);

  if (firstOfMonth.getDay() == 0) {
    day = 2;
    firstOfMonth = firstOfMonth.setDate(day);
    firstOfMonth = new Date(firstOfMonth);
  } else if (firstOfMonth.getDay() != 1) {
    day = 9-(firstOfMonth.getDay());
    firstOfMonth = firstOfMonth.setDate(day);
    firstOfMonth = new Date(firstOfMonth);
  }

  var days = (lastOfMonth.getDate() - firstOfMonth.getDate())+1
  return Math.ceil( days / 7);              
}

It worked for me. Please try

Thanks all