"; Document.Body.AppendChild (DIV); windows.addeventListener ("rulle", (hendelse) => { La rulle = vindu.Skrolly; Document.getElementById ('Rull-til-TOP'). Style = (Window.Scrolly> 250? "Display: Block;": "Display: None;"); }); } } Document.addeVentListener ("DomcontentLoaded", SMB.Init)