FullCalendar 4-向事件对象添加/显示附加值

document.addEventListener('DOMContentLoaded', function() {
  var calendarEl = document.getElementById('calendar');

  var calendar = new FullCalendar.Calendar(calendarEl, {
    plugins: ['dayGrid', 'timeGrid'],
    events: [
      {
        title: 'Meeting',
        start: '2023-10-10T10:00:00',
        description: 'Discuss project updates'
      },
      // 其他事件...
    ],
    eventRender: function(info) {
      var tooltip = document.createElement('div');
      tooltip.innerHTML = info.event.extendedProps.description;
      tooltip.style.position = 'absolute';
      tooltip.style.backgroundColor = 'white';
      tooltip.style.border = '1px solid black';
      tooltip.style.padding = '5px';
      tooltip.style.zIndex = '1000';
      info.dayEl.appendChild(tooltip);
    }
  });

  calendar.render();
});