JSFiddle - React, Tailwind, and code Playground

JavaScript

var date = new Date('Mon, 18 Nov 2013 12:00:00 GMT');

var year  = pad(date.getFullYear());
var month = pad(date.getMonth() + 1);
var day   = pad(date.getDate());
    
var yyyymmdd = year + month + day;

console.log(yyyymmdd)

function pad(numb) {
    return (numb < 10 ? '0' : '') + numb;
}