https://developer.mozilla.org/de/docs/Web/API/Window/moveBy
Window: moveBy() Methode - Web-APIs | MDN
Die moveBy()-Methode der Window-Schnittstelle verschiebt das aktuelle Fenster um einen angegebenen Betrag.
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https://www.w3schools.com/jsref/met_win_moveby.asp
Window moveBy() Method
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