How to get a number of days in a specified month using JavaScript?

JavascriptWeb DevelopmentFront End Technology

To get numbers of days in a month, use the getDate() method and get the days.


You can try to run the following code to get a number of days in a month −

Live Demo

<!DOCTYPE html>
      var days = function(month,year) {
         return new Date(year, month, 0).getDate();
      document.write("Days in July: "+days(7, 2012)); // July month
      document.write("<br>Days in September: "+days(9, 2012)); // September Month


Days in July: 31
Days in September: 30
Published on 03-Feb-2018 12:29:59