javascript - 如何在从另一个ajax加载ajax之前清除数据表

Question

需要帮助我有 3 个 ajax - 来自 ajax A 的数据有按钮，如果点击将显示 ajax B - 来自 ajax B 的数据有按钮，如果点击将显示 ajax C问题是当我寻找新的搜索时来自 ajax A 的数据表来自 ajax B 的数据仍然是 OLD 如何在加载 ajax A 之前清除来自 ajax B dan C 的数据这是我的 ajax A 代码:

<script type="text/javascript">
var save_method; //for save method string
var table; //for ajax A
var table2; // for ajax B
var table3;  // for ajax C
var base_url = '<?php echo base_url()?>';
   // table2 = $('#table_id2').clear();
  //  table2 = $('#table_id2').rows.add(response.data);
  //  table2 = $('#table_id2').draw();
    $(document).ready(function() {
    //datatables
    table = $('#table_id').DataTable({         
        "lengthMenu": [[5, 10, 25, -1], [5, 10, 25, "All"]],
        "deferLoading": 0,
        "processing": true, //Feature control the processing indicator.
        "language": {
            "processing": "<span><img src='images/Preloader_3.gif'/></span>"
            }, // you can put text or html here in the language.processing setting.            
        "serverSide": true, //Feature control DataTables' server-side processing mode.
        "order": [], //Initial no order.
        // Load data for the table's content from an Ajax source
        "ajax": {
            "url": "<?php echo base_url('infoemployee/ajax_list')?>",            
            "type": "POST",
        },      
        //Set column definition initialisation properties.
        "columnDefs": [
            {
                "targets": [ -1 ], //last column
                "orderable": false, //set not orderable
            },                  
        ],
    }); });

Answer 1

在这个 block 之后

    "ajax": {
        "url": "<?php echo base_url('infoemployee/ajax_list')?>",            
        "type": "POST",
    }, 

在上面添加这行

"destroy" : true,