JSFiddle - React, Tailwind, and code Playground

JavaScript

function calbill()
{
var edate='11/23/2014';

var myDate = new Date(edate);
console.log(myDate);
var d = myDate.getDate();
var m =  myDate.getMonth();
m += 1;  
var y = myDate.getFullYear();

    var newdate=(y+ "-" + m + "-" + d);
  return newdate;
}
console.log(calbill());