JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/s/dt/jq-2.1.4,dt-1.10.10/datatables.min.css">
<script src="https://cdn.datatables.net/s/dt/jq-2.1.4,dt-1.10.10/datatables.min.js"></script>
<table id="example" class="display" width="100%">
<thead><tr>
<th>Killers SteamID</th><th width="200px">Name</th><th>Date/Time</th>
</tr>
</thead>
<tbody></tbody>
<tfoot>
<tr>
<th>Killers SteamID</th><th width="200px">Name</th><th>Date/Time</th>
</tr></tfoot>
</table>

JavaScript

$(document).ready(function() {
    $('#example').DataTable( {
        "ajax":
         
    {
        "url":"http://gaming.adduce.co.nz:8888/getPlayerKillsHistory?ids=76561198061378579",
        "cache": true,
        "dataSrc": function (json) {
      var return_data = new Array();
      for(var i=0;i< json.length; i++){
        return_data.push()
      }
      console.log (json);
      return return_data;
}
  },
  "columns"    : [
    {'data': 'idKiller'},
    {'data': 'dateTime'},
    {'data': 'killerName'}
    ]
    });});