YouTube spotted testing picture-in-picture feature for Web

Google already brought picture-in-picture or PiP mode with Android 8.0 Oreo but it is now testing the same feature on YouTube for web. The video sharing platform was spotted testing picture-in-picture mode on web by 9to5Google website. It has been mentioned that this feature is visible on one account but is working on different web browsers like Chrome, Safari, Mac and Chrome OS.