Is an open framework for the web that enables Real Time Communications in the browser. It includes the fundamental building blocks for high-quality communications on the web, such as network, audio and video components used in voice and video chat applications.
These components, when implemented in a browser, can be accessed through a JavaScript API, enabling developers to easily implement their own RTC web app.
In the following tutorial, will show how to collect computer details using JS :
How to detect Browser, OS, Screen Resolution, Speakers, Microphone & Webcam using Javascript
lib homepage – https://webrtc.org/