Make Firefox Into A Self-voicing Browser
Software is available that can speak web page content, magnify it, or otherwise improve accessibility. Please go to the R.N.I.B. site for more information on assistive technologies, or see Wikipedia for lists of screen readers and self-voicing browsers.
Make Firefox into a self-voicing browser
Audio Output Source's device menu, on the other hand, will only populate while a call is active. It will activate the browser's default speaker choice (which is often dictated by your Operating System) initially, but then populate the option menu to every speaker device available. This device menu selection ONLY takes into account the voice audio received through WebRTC. Other Roll20 sounds (chat tab notifications, 3D dice SFX, and Jukebox audio) will play on the browser's default speaker still.
So far, you have created a headless Firefox browser and navigated to You made an Options instance and used it to activate headless mode when you passed it to the Firefox constructor. This is akin to typing firefox -headless at the command line.
Browser web storage enables websites to store data in a browser on a device. When used in "local storage" mode, it enables data to be stored across sessions. This makes data retrievable even after a browser has been closed and reopened. One technology that facilitates web storage is HTML 5.