检查Jquery日期是否有效

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

<input type="text" id="dateInput" />

$(document).ready(function() {
  $('#dateInput').on('change', function() {
    var inputDate = $(this).val();
    var isValidDate = isValidJqueryDate(inputDate);
    
    if (isValidDate) {
      console.log("日期有效");
    } else {
      console.log("日期无效");
    }
  });
});

function isValidJqueryDate(dateString) {
  var pattern = /^\d{4}-\d{2}-\d{2}$/;
  
  if (!pattern.test(dateString)) {
    return false;
  }
  
  var dateParts = dateString.split("-");
  var year = parseInt(dateParts[0]);
  var month = parseInt(dateParts[1]);
  var day = parseInt(dateParts[2]);
  
  var date = new Date(year, month - 1, day);
  
  if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
    return false;
  }
  
  return true;
}