在AJAX和JQUERY函数后显示默认选项值

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

<select id="mySelect">
  <option value="">请选择</option>
  <option value="option1">选项1</option>
  <option value="option2">选项2</option>
  <option value="option3">选项3</option>
</select>

$(document).ready(function() {
  $.ajax({
    url: "获取默认选项值的URL",
    method: "GET",
    success: function(response) {
      // 更新select元素的值
      $("#mySelect").val(response.defaultValue);
    },
    error: function() {
      console.log("获取默认选项值失败");
    }
  });
});