VisualViewport

package js.html

extends EventTarget

Available on js

The VisualViewport interface of the the Visual Viewport API represents the visual viewport for a given window. For a page containing iframes, each iframe, as well as the containing page, will have a unique window object. Each window on a page will have a unique VisualViewport representing the properties associated with that window.

Documentation VisualViewport by Mozilla Contributors, licensed under CC-BY-SA 2.5.

See also:

• https://developer.mozilla.org/en-US/docs/Web/API/VisualViewport

Variables

read onlyheight:Float

Returns the height of the visual viewport in CSS pixels.

read onlyoffsetLeft:Float

Returns the offset of the left edge of the visual viewport from the left edge of the layout viewport in CSS pixels.

read onlyoffsetTop:Float

Returns the offset of the top edge of the visual viewport from the top edge of the layout viewport in CSS pixels.

read onlypageLeft:Float

Returns the x coordinate relative to the initial containing block origin of the top edge of the visual viewport in CSS pixels.

read onlypageTop:Float

Returns the y coordinate relative to the initial containing block origin of the top edge of the visual viewport in CSS pixels.

read onlyscale:Float

Returns the pinch-zoom scaling factor applied to the visual viewport.

read onlywidth:Float

Returns the width of the visual viewport in CSS pixels.