JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="https://cdn.datatables.net/1.10.10/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.10/js/dataTables.bootstrap.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.1.0/js/dataTables.buttons.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.1.0/js/buttons.bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
<script src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/pdfmake.min.js"></script>
<script src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/vfs_fonts.js"></script>
<script src="https://cdn.datatables.net/buttons/1.1.0/js/buttons.html5.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.1.0/js/buttons.print.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.10/css/dataTables.bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/buttons/1.1.0/css/buttons.bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/select/1.1.2/css/select.dataTables.min.css">
<script src="https://cdn.datatables.net/select/1.1.2/js/dataTables.select.min.js"></script>
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
        <thead>
            <tr>
                <th colspan='4'>User</th>             
                <th>Start </th>
                <th>Basic</th>
            </tr>
             <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th> date</th>
                <th>Salary</th>
            </tr>
        </thead>
        <tfoot>
            <tr>
                <th>Name</th>
                <th>Position</th>
               ...

JavaScript

var table = $('#example').DataTable( {
  dom: 'Bfrtip',
  select: true,
  buttons: [
    {
      text: 'Edit',
      className: 'edit',
      enabled: false,
      action: function (e, dt, node, config) {
        //do something
      }
    },
    {
      text: 'Update',
      action: function (e, dt, node, config) {
        //do something
      }
    }
  ]
})

$('#example').on('select.dt deselect.dt', function() {
  table.buttons( ['.edit'] ).enable(
    table.rows( { selected: true } ).indexes().length === 0 ? false : true
  )
})