查看“MediaWiki:Common.js”的源代码

$(function () {
  // 在线人数显示
  var $counter = $('<div id="online-counter">当前在线 <span style="color:#a782ff;">👥</span>：<span id="online-number">加载中...</span></div>');
  $('body').append($counter);

  function updateOnlineNumber() {
    $.getJSON('/api/online.php', function (data) {
      $('#online-number').text(data.count || 0);
    }).fail(function () {
      $('#online-number').text('获取失败');
    });
  }

  updateOnlineNumber();
  setInterval(updateOnlineNumber, 30000);
});

mw.loader.using('mediawiki.util', function () {
  const audio = document.createElement('audio');
  audio.src = 'https://d1rtq9slcl72gh.cloudfront.net/audio/home.mp3';
  audio.loop = true;
  audio.id = 'bgm';

  const player = document.createElement('div');
  player.innerHTML = `
    <button onclick="document.getElementById('bgm').play()">▶ 播放</button>
    <button onclick="document.getElementById('bgm').pause()">⏸ 暂停</button>
    <div style="flex-grow:1; height:6px; background:#444; border-radius:3px; overflow:hidden;"><div id="bar" style="height:6px;width:0%;background:#66f;"></div></div>
  `;
  player.style.cssText = "position:fixed;bottom:10px;right:10px;z-index:9999;background:#111;color:white;padding:10px 15px;border-radius:10px;display:flex;gap:10px;align-items:center;box-shadow:0 0 10px #000;font-size:14px";

  document.body.appendChild(audio);
  document.body.appendChild(player);

  setInterval(function(){
    if (!audio.duration) return;
    const percent = (audio.currentTime / audio.duration) * 100;
    document.getElementById('bar').style.width = percent + '%';
  }, 300);
});