code: function(html) {
         return html.toString()
           .replace(/&/gmi, '&amp;')
           .replace(/"/gmi, '&quot;')
           .replace(/>/gmi, '&gt;')
           .replace(/</gmi, '&lt;')
       }
docs: Escape HTML.
  
  @param  {string} html
  @return {string}
  @api public