JSFiddle - React, Tailwind, and code Playground

by Joe Saad

JavaScript

function daysInMonth(month,year) {
    return new Date(year, month, 0).getDate();
}
b = daysInMonth(11,2012); //30
daysInMonth(2,2009); //28
daysInMonth(2,2008); //29

alert(b);

var p = new Date('11/28/2012');
alert(p.getDate());