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CSSOM view API - Web APIs | MDN
Coordinate systems
The coordinate systems used to specify a position in a display context such as a window on a monitor, a viewport on a mobile device, or a position on a sheet of paper when printing.
Viewport concepts
The concept of the viewport — what it is, its impact in terms of CSS, SVG, and mobile devices — and the difference between the visual viewport and the layout viewport.
This module adds properties, methods, and events to interfaces defined in other specifications.
This module defines geometric utility methods that apply to the Text
, Element
, CSSPseudoElement
, and Document
interfaces. These GeometryUtils
features are not yet implemented in any browser.