JSFiddle - React, Tailwind, and code Playground
by f0t0n
HTML
<p>
<span class="date" data-ts="1364244120689"></span>
</p>
<p>
<span class="date" data-ts="1364244130689"></span>
</p>
<p>
<span class="date" data-ts="1364244140689"></span>
</p>
JavaScript
$('span.date').each(function() {
var $el = $(this),
ts = $el.data('ts')
$el.html(new Date(ts).toLocaleString());
});