JSFiddle - React, Tailwind, and code Playground

HTML

<body>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

<table id="settlementsd" class="table table-striped">
<thead>
</thead>
<tbody>
<tr>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th><button type="submit" id="stlmtdadd" class="Crem btn btn-sm btn-info" ><span class="glyphicon glyphicon-plus-sign"></span>hello brother</button></th>
</tr>
<tr>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th><button type="submit" id="stlmtdadd" class="Crem btn btn-sm btn-info" ><span class="glyphicon glyphicon-plus-sign"></span> hell brother</button></th>
</tr>
<tr>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th>&nbsp;</th>
  <th><button type="submit" id="stlmtdadd" class="Crem btn btn-sm btn-info" ><span class="glyphicon glyphicon-plus-sign"></span> hello brother</button></th>
</tr>

</tbody>
<tfoot>
</tfoot>
</table>

JavaScript

$(document).ready(function() {
     $( ".Crem" ).each(function(){
           $(this).prop('disabled',true);

     });
});