JSFiddle - React, Tailwind, and code Playground

HTML

<button id="refresh">Refresh</button>
<div id="result"></div>

JavaScript

var getRealDate = function() {
    var w = window.open();
    var ret = new Date();
    w.close();
    return ret;
};
$('#refresh').on('click', function() {
    $('#result').text(getRealDate().getHours());
});