JSFiddle - React, Tailwind, and code Playground

HTML

<span class="date"></span>

JavaScript

var dateNumber = 1435269960;
var convertedDate = new Date(1000*dateNumber);
var today = new Date();

if(convertedDate < today)
    $(".date").html("The date is in the past<br/><br/>" + convertedDate + "<br/>vs<br/>" + today);
else
$(".date").html("The date is today or in the future<br/> (" + convertedDate + ") vs (" + today + ")");