button disable functionality is not working.

In webix for disabling button, I have written code like $$(‘btnId’).disable().
, It is displaying button disable but still I am able to click on that . generally it should not happen. can you please suggest me, how can I disable button. I am using IE9.
Thank you

It works correctly for me

http://webix.com/snippet/0aebc5b4

If you can still reconstruct the issue, please share a snippet or a demo link.

As per your given above snippet , it’s not working in IE9 . it is displaying error message “webix is undefined”. can you suggest me what’s the problem ?.
Thanks

Try to use http://webix.com/snippet/m/0aebc5b4