<!-- Button trigger modal -->
<button id="modalActivate" onclick="lol({title:'adicionar nginx container',labelemit:'startNginxContainer'})" type="button" class="btn btn-danger">
  Adicionar container
</button>
<button id="modalActivate" onclick="lol({title:'Eliminar nginx container',labelemit:'stopNginxContainer'})" type="button" class="btn btn-danger">
  Eliminar container
</button>
<!-- Modal -->
<div class="modal fade right" id="exampleModalPreview" tabindex="-1" role="dialog" aria-labelledby="exampleModalPreviewLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalPreviewLabel">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        <form id="form">
          <label>Numero de containers</label>
          <input id="numCont" type="text">
        </form>

      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="button" onclick="submit()" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>
<script>
  var kljhgfds;
function lol(e)
  {
    console.log(e)
    $("#numCont").val("")
    $("#exampleModalPreviewLabel").html(e.title);
    kljhgfds = e.labelemit;
    $('#exampleModalPreview').modal('show');
  }
function submit()
  {
    console.log($("#numCont").val(),kljhgfds);
    //socket.emit(kljhgfds,$("#numCont").val())
  }
</script>
<!-- Modal -->