JSFiddle - React, Tailwind, and code Playground
by panda2005
HTML
<div id='result'>
</div>
JavaScript
var dateA = new Date(2011, 12, 2);
var dateB = new Date(2011, 9, 24);
var difference = (dateB > dateA)
?dateB - dateA
:dateA - dateB;
var daysDifference = Math.round((difference)/(1000*60*60*24));
var moreThan14 = (daysDifference > 14)
?"more than 14 days"
:"equal or less than 14 days";
var result = moreThan14 + ' (' + daysDifference + ')';
$('#result').html(result);