Added a method to return the Dojo toolkit version.

See `aboutDojo()`.

Author: Dev-iL

README.md

@@ -8,6 +8,7 @@ For additional information, see Iliya Romm's guest Undocumented Matlab article,
 [`fontWeight`](#fontWeight) - Modify font weight  
 [`fontColor`](#fontColor) - Modify font folor  
 [`setStyle`](#setStyle) - Modify a specified style property
+`aboutDojo` - Return version information about the Dojo toolkit.
 
 <a name="textAlign"></a>
 #### *mlapptools*.**textAlign**(*uielement*, *alignment*)

mlapptools.m

@@ -8,6 +8,7 @@
     % fontColor  - utility method for modifying font color.
     % setStyle   - utility method for modifying styles that do not (yet) have a
     %              dedicated mutator.
+    % aboutDojo  - returns version information about the Dojo toolkit.
 
     properties (Access = private, Constant = true)
         QUERY_TIMEOUT = 5;  % Dojo query timeout period, seconds
@@ -65,8 +66,26 @@ function fontColor(uielement, newcolor)
                 rethrow(ME);       
             end
         end
+        function [dojoVersion] = aboutDojo()
+            if ~numel(matlab.internal.webwindowmanager.instance.findAllWebwindows())
+                f=uifigure; drawnow; tmpWindowCreated = true;              
+            else
+                tmpWindowCreated = false;
+            end
+
+            dojoVersion = matlab.internal.webwindowmanager.instance ...
+                                .windowList(1).executeJS('dojo.version');
 
-    end % Public static methods
+            if tmpWindowCreated
+                delete(f);
+            end
+            % If MATLAB is sufficiently new, convert the JSON to a struct:  
+            if str2double(subsref(ver('matlab'), substruct('.','Version'))) >= 9.1 %R2016b
+                dojoVersion = jsondecode(dojoVersion);
+            end
+        end % aboutDojo
+        
+    end % Public Static Methods
 
     methods (Static = true, Access = private)
         function [win] = getWebWindow(uifigurewindow)