renderElement(element, template, templateData = undefined) {
    soy.renderElement(element, template, templateData, this.getInjectedData_());
    this.handleRender(element, SanitizedContentKind.HTML);
  }
Renders a Soy template and then set the output string as the
innerHTML of the given element. Delegates to `soy.renderElement`.
@param {?Element} element The element whose content we are rendering.
@param {function(ARG_TYPES, ?soy.CompatibleIj=): *} template The Soy
    template defining the element's content.
@param {ARG_TYPES=} templateData The data for the template.
@template ARG_TYPES