I want to enable google chrome flags enable using JavaScript.If flags enable then no action require, if disable then make it enable .
Changing browser settings and options using Javascript is not possible. This can only be controlled by the user.
However, Chrome's experimental flags can be accessed using direct links. But note that
The feature is currently available in Chrome Canary, and maybe also in Chrome Dev. It may take a while before it makes its way to other versions of the browser.
Once it is available, you can use a link like this in your webpage to make it more convenient for the user to find the right setting:
Enable WEBRTC