docs: function escapeHtml(s) {
              if (_toString.call(s) != "[object String]") return s;
              if (!s) return "";
              return s.replace(/[\<\>\&\"]/gm, function (match) {
                  switch (match) {
                      case "<":
                          return "&lt;";
                      case ">":
                          return "&gt;";
                      case "&":
                          return "&amp;";
                      case "\"":
                          return "&quot;";
                      default:
                          return match;
                  }
              });
          }