[ADF-2557] Updated doc files with new script and fixed script bugs (#3135)

docs/core/cookie.service.md

@@ -1,25 +1,30 @@
 ---
 Added: v2.0.0
 Status: Active
+Last reviewed: 2018-03-29
 ---
+
 # Cookie service
 
 Stores key-value data items as browser cookies.
 
-## Methods
+## Class members
 
--   `isEnabled(): boolean`  
-    Checks if cookies are enabled.  
+### Methods
 
--   `getItem(key: string): string`  
-    Retrieves a cookie by its key.  
-    -   `key` - Key to identify the cookie
--   `setItem(key: string, data: string, expiration: Date | null, path: string | null)`  
-    Set a cookie.  
-    -   `key` - Key to identify the cookie
-    -   `data` - Data value to set for the cookie
-    -   `expiration` - Expiration date of the data
-    -   `path` - "Pathname" to store the cookie
+-   `getItem(key: string = null): string | null`<br/>
+    Retrieves a cookie by its key.
+    -   `key: string = null` -  Key to identify the cookie
+    -   **Returns** `string | null` - The cookie data or null if it is not found
+-   `isEnabled(): boolean`<br/>
+    Checks if cookies are enabled.
+    -   **Returns** `boolean` - True if enabled, false otherwise
+-   `setItem(key: string = null, data: string = null, expiration: Date | null = null, path: string | null = null)`<br/>
+    Sets a cookie.
+    -   `key: string = null` -  Key to identify the cookie
+    -   `data: string = null` -  Data value to set for the cookie
+    -   `expiration: Date | null = null` -  Expiration date of the data
+    -   `path: string | null = null` -  "Pathname" to store the cookie
 
 ## Details