code: function(element, clear) {
        // Strict check on the off-chance that we later think of other options
        // and want to replace 'clear' with an 'options' parameter, but want to
        // support backwards compat.
        if (clear === true) {
          util.clearElement(element);
        }
  
        element.appendChild(this.toDom(element.ownerDocument));
      }
docs: Run the template against the document to which element belongs.
  @param element The element to append the result to
  @param clear Set clear===true to remove all children of element