Handle empty and null values in VB console

console.vbs

@@ -14,6 +14,8 @@ Private Sub ConsoleLog(message, color)
             .color = color
         End If
     End With
+    If IsEmpty(message) Then message = "[Empty]"
+    If IsNull(message) Then message = "[Null]"
     entry.appendChild(document.createTextNode(CStr(message)))
     output.appendChild(entry)
 End Sub