Merge pull request #1399 from himanshu81494/master

example function added for call by reference

json.html.markdown

@@ -4,6 +4,7 @@ filename: learnjson.json
 contributors:
   - ["Anna Harren", "https://github.com/iirelu"]
   - ["Marco Scannadinari", "https://github.com/marcoms"]
+  - ["himanshu", "https://github.com/himanshu81494"]
 ---
 
 As JSON is an extremely simple data-interchange format, this is most likely going
@@ -16,6 +17,11 @@ but they should be avoided for better compatibility.
 
 For the purposes of this, however, everything is going to be 100% valid JSON. Luckily, it kind of speaks for itself.
 
+Data types supported by JSON includes: numbers, string, boolean, array, object and null.
+Supporting browsers are: Firefox(Mozilla) 3.5, Internet Explorer 8, Chrome, Opera 10, Safari 4.
+JSON file type for JSON files is ".json". The MIME type for JSON text is "application/json"
+Drawbacks of JSON include lack of type definition and some sort of DTD.
+
 ```json
 {
   "key": "value",