查看“︁Widget:TracklistSongLengthCalc”︁的源代码

<noinclude>Only for {{tl|Tracklist}}</noinclude><includeonly><!--{if !isset($wgTracklistSongLengthCalc) || !$wgTracklistSongLengthCalc}--><!--{assign var="wgTracklistSongLengthCalc" value=true scope="global"}--><script>
window.RLQ = window.RLQ || [];
window.RLQ.push(function() {
    $(function() {
        $('.tracklist').each(function() {
            var self = $(this),
                target = self.find('.total_length');
            if (!target[0]) return;
            var total = 0;
            self.find('.song_length').each(function() {
                var text = $(this).text().trim();
                var match = (text.match(/(\d+):(\d+)/) || []).slice(1);
                if (match.length !== 2) return;
                total += +match[0] * 60 + +match[1];
            });
            var min = (total - total % 60) / 60,
                sec = total % 60;
            if (sec < 10) sec = '0' + sec;
            target.text(min + ":" + sec);
        });
    });
});</script><!--{/if}--></includeonly>