anchor.diff:      }
     }
   
  +  function showIncomplete() {
  +    var checkboxes = document.querySelectorAll("#tag-filters input[type='checkbox']");
  +
  +    for (var i = 0; i < checkboxes.length; i++) {
  +      var checkbox = checkboxes[i];
  +      checkbox.checked = (checkbox.id != "complete");
  +    }
  +    updateFilters();
  +  }
  +
     function clearFilters() {
       var checkboxes = document.querySelectorAll("#tag-filters input[type='checkbox']");
   
  
positive.code: 
          <button class="form-control" type="button" onclick="updateFilters()">Filter</button>
          <button class="form-control" type="button" onclick="clearFilters()">Clear</button>
        </form>
      </form>
    </div>
  
negative.code: <% statuses = %w{ running waiting scheduled stalled depends failed complete } %>
  
  <div class="page-header">
    <h2>Jobs tagged '<%= tag %>'</h2>
  