portainer/app/docker/components/host-view-panels/node-labels-table/node-labels-table.html

<div ng-if="!$ctrl.labels.length">
  There are no labels for this node.
</div>

<table class="table" ng-if="$ctrl.labels.length">
  <thead>
    <tr>
      <th>Label</th>
      <th>Value</th>
    </tr>
  </thead>
  <tbody>
    <tr ng-repeat="label in $ctrl.labels">
      <td>
        <div class="input-group input-group-sm">
          <span class="input-group-addon fit-text-size">Name</span>
          <input type="text" class="form-control" ng-model="label.key" placeholder="e.g. com.example.foo" ng-change="$ctrl.updateLabel(label)" />
        </div>
      </td>
      <td>
        <div class="input-group input-group-sm">
          <span class="input-group-addon fit-text-size">Value</span>
          <input type="text" class="form-control" ng-model="label.value" placeholder="e.g. bar" ng-change="$ctrl.updateLabel(label)" />
          <span class="input-group-btn">
            <button class="btn btn-sm btn-danger" type="button" ng-click="$ctrl.removeLabel($index)">
              <i class="fa fa-trash" aria-hidden="true"></i>
            </button>
          </span>
        </div>
      </td>
    </tr>
  </tbody>
</table>