YouTube Preview 2020 JS - Instant video previews in popup player by hovering or clicking video thumbs. Video ratings and resolution data no longer shown on the thumbs. This is a fork of Costas' original with Arantius' GM4-Polyfill js. Author Livadas Daily installs 0 Total installs 604 Ratings 4 0 0 Created 2019-02-07 Updated 2020-04-29