Before loading the page of a non-empty playlist, a notification is displayed with the text: "Total = [hours] = 0 [minutes] = 0 [seconds] = 0". That is, the add-on does not work. Mozilla Firefox 109.0b9 (64-bit), Tampermonkey 4.18.1 (16 November 2022).
Before loading the page of a non-empty playlist, a notification is displayed with the text: "Total = [hours] = 0 [minutes] = 0 [seconds] = 0". That is, the add-on does not work. Mozilla Firefox 109.0b9 (64-bit), Tampermonkey 4.18.1 (16 November 2022).