https://www.es-koyama.com/js/es-release-20260917.php

1/* Server-clock release; only nodes with an explicit release timestamp are changed. */
2(function () {
3    'use strict';
4    var serverStart = 1790926916 * 1000;
5    var clockStart = new Date().getTime();
6    var monotonicStart = window.performance && performance.now ? performance.now() : null;
7    function now() {
8        var elapsed = monotonicStart === null ? 0 : performance.now() - monotonicStart;
9        return Math.max(serverStart + elapsed, new Date().getTime() + serverStart - clockStart);
10    }
11    function update() {
12        var nodes = document.querySelectorAll('[data-release-at]');
13        for (var i = 0; i < nodes.length; i++) {
14            var node = nodes[i];
15            if (now() >= Number(node.getAttribute('data-release-at')) * 1000) {
16                node.className = node.className.replace(/(^|\s)coming(?=\s|$)/g, ' ').replace(/^\s+|\s+$/g, '');
17                var dates = node.querySelectorAll('[data-release-date]');
18                for (var j = 0; j < dates.length; j++) { dates[j].style.display = 'none'; }
19            }
20        }
21    }
22    update();
23    window.setInterval(update, 1000);
24    window.addEventListener('pageshow', update, false);
25    document.addEventListener('visibilitychange', update, false);
26}());