devicePixelRatioThe window.devicePixelRatio property is the ratio of the size of one CSS pixel to the vertical size of one physical pixel on the current display device.limitedhttps://drafts.csswg.org/cssom-view-1/#dom-window-devicepixelratiodevicepixelratiohttps://developer.mozilla.org/docs/Web/API/Window/devicePixelRatioapi.Window.devicePixelRatiohttps://nowyoucanuse.com/features--devicepixelratio.html