code: function text(index, value) {
      ngDevMode &&
          assertEqual(viewData[BINDING_INDEX], -1, 'text nodes should be created before bindings');
      ngDevMode && ngDevMode.rendererCreateTextNode++;
      var textNode = createTextNode(value, renderer);
      var node = createLNode(index, 3 /* Element */, textNode, null, null);
      // Text nodes are self closing.
      isParent = false;
      appendChild(getParentLNode(node), textNode, viewData);
  }
docs: //////////////////////// // Text //////////////////////// 
  Create static text node
  
  @param index Index of the node in the data array
  @param value Value to write. This value will be stringified.