JSFiddle - React, Tailwind, and code Playground

JavaScript

$( document ).ready(function() {
var currentTime = new Date();

var year = currentTime.getFullYear();
var month = currentTime.getMonth() + 1;
var day = currentTime.getDate();
var hour = currentTime.getHours();
var min = currentTime.getMinutes();
var secs = currentTime.getSeconds();


var time = year + "-" + month + "-" + day + "T" + hour + ":" + min + ":" + secs;

alert(time);

});