使用Ajax时通过Javascript设置ACF select2选项

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.13/css/select2.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.13/js/select2.min.js"></script>

$(document).ready(function() {
  // 使用Ajax请求数据
  $.ajax({
    url: 'your-api-endpoint', // 替换为实际的API地址
    method: 'GET',
    success: function(data) {
      // 将数据设置为select2选项
      $('#your-select2-element').select2({
        data: data,
        placeholder: '请选择', // 设置占位符
        allowClear: true // 允许清除选项
      });
    }
  });
});

<select id="your-select2-element" class="select2"></select>