code: function unescape(str) {
          return str.replace(/&amp;/g, '&').replace(/&quot;/g, '"').replace(/&#x27;/g, '\'').replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&#x2F;/g, '/').replace(/&#x5C;/g, '\\').replace(/&#96;/g, '`');
      }
docs: Replaces HTML encoded entities with <, >, &, ', " and /.
  @param {string} str - The string to check
  @return {boolean}