ment.querySelector('#year');
var monthSelect = document.querySelector('#month');
var daySelect = document.querySelector('#day');
var hourSelect = document.querySelector('#hour');
var minuteSelect = document.querySelector('#minute');

// 默认隐藏兼容模式
fallbackPicker.style.display = 'none';
fallbackLabel.style.display = 'none';

// 测试是否支持日期输入框
var test = document.createElement('input');

try {
  test.type = 'datetime-local';
} catch (e) {
  console.log(e.description);
}

// �