JSFiddle - React, Tailwind, and code Playground

by Alexander Tymchuk

HTML

<p class="main">Data to display</p>
<div class="d"></div>

JavaScript

var v = (2100 & 3) == 0;

var isLeapYear = function (date) {
    var year = date.getFullYear();
    return !!((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year)));
}

var p = $('p.main').text( !! ((2016 & 3) == 0));
console.log( !! ((2016 & 3) == 0));
//var p = $('p.main').text(isLeapYear(new Date(2016, 1, 1)));