code: function getIframeContentForNode (node, options) {
      return '<!doctype html>' +
        '<html ' + options.htmlAttr + '>' +
        '<head>' +
          options.metaCharset +
          options.metaViewport +
          options.stylesheets +
          options.styles +
        '</head>' +
        '<body ' + options.bodyAttr + '>' +
          node.innerHTML +
        '</body>' +
        '</html>';
    }
docs: Get the content for the iframified version of a node.
  
  @param  {HTMLElement} node
  @param  {Object} options
  @return {String}