internet explorer - How to detect installed version of MS Office using javascript from IE? -

actually need know if 2013 version of ms office installed. approach with

var oapplication=new activexobject("word.application"); 

does not work me website (but works when run local disk).

i debugged in office365:
ms-powerpoint:ofe|u|https://.... => powerpoint
ms-word:ofe|u|https:// => word
ms-excel:ofe|u|https:// => excel