Properties such as innerHTML and outerHTML are filtered in order to avoid the common security issues that can result from the unsafe handling of untrusted data.
Simply reference the
winstore-jscompat.js file towards the beginning of your app, before any other scripts are run.
Note: You do not need to include this file for Windows 10 apps.
Please note that there may be a minor impact on your app's performance, the extent of which depends upon the specific usage, timing, and frequency of the three property calls listed above.