jQuery select2追加所选项目？

Question

I'm trying to select an item from multi select jquery select2 with ajax

HTML

<select name="schools" id="schools" multiple='multiple'>
  <option value="-1000">select all</option>
  <option value="35102907">org1</option>
</select>

JS

$("#schools").select2({
  ajax: {
    url: "ajax_controller.php",
    dataType: 'json',
    data: function (params) {
        return {
            a: 'getSchoolList',
            c: 'model_milk_contract',
            p: [params.term],
            cs: csrf
        }
    },
    processResults: function (response) {
      return {
         results: $.map(response, function(obj) {
            return { id: obj.org_code, text: obj.org_name };
         })
      }
    }
  }

});

but when one item selected, jquery says in console:

Uncaught TypeError: Failed to execute 'appendChild' on 'Node': parameter 1 is not of type 'Node'.

then i tried to find the problem and after some time i found in below line of jquery core, ret[i] must be a node object , but what it gets is array of node objects and if i pass ret[i][0] to this function, it works!

fragment.appendChild( ret[i] );

what's the problem?!

Answer 1

Finaly I found the problem: my jquery was too old and its version was 1.7.1 while select2 version 4 needs min jquery 1.8. thanks...