MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
/* This code displays a clock or a countdown timer. Adapted from w3schools.com example. */
(function($) {

    function cdTimer() {
        var timerElem = $('#CountdownTimer');

        function checkTime(i) {
            if (i < 10) {
                i = "0" + i;
            }
            return i;
        }

        if (timerElem.length > 0) {
            var cdoffset = Number(document.getElementById('cdoffset').innerHTML);
            var today = new Date();
            var h = today.getUTCHours();
            var m = today.getUTCMinutes();
            var s = today.getUTCSeconds();

            var s1 = (s !== 0) ? 60 - s : s;
            var m1 = (m !== 0) ? 60 - m : m;
            var h1 = (24 - (h - cdoffset)) % 24;

            // add a zero in front of numbers<10
            h1 = checkTime(h1);
            m1 = checkTime(m1);
            s1 = checkTime(s1);
            timerElem.text(h1 + ":" + m1 + ":" + s1);
            t = setTimeout(function() {
                cdTimer();
            }, 1000);

        }
    }

    function sTime() {
        var timeElem = $('#ServerTime');

        function checkTime(i) {
            if (i < 10) {
                i = "0" + i;
            }
            return i;
        }

        if (timeElem.length > 0) {
            var soffset = Number(document.getElementById('soffset').innerHTML);
            var today = new Date();
            var h = today.getUTCHours();
            var m = today.getUTCMinutes();
            var s = today.getUTCSeconds();

            var h2 = (h + soffset) % 24;

            // add a zero in front of numbers<10
            h2 = checkTime(h2);
            m2 = checkTime(m);
            s2 = checkTime(s);
            timeElem.text(h2 + ":" + m2 + ":" + s2);
            t = setTimeout(function() {
                sTime();
            }, 1000);
        }
    }

    $(document).ready(cdTimer);
    $(document).ready(sTime);

})(jQuery);