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DOMQuad

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The DOMQuad interface of the the Geometry Interfaces provides represents a quadrilaterial object, that is one having four corners and four sides.

p1,p2,p3,p4 Read only: are DOMPoint objects for each of the DOMQuad object's four corners.

DOMQuad.fromRect(): Returns a new DOMQuad object based on the passed set of coordinates.
DOMQuad.fromQuad(): Returns a new DOMQuad object based on the passed set of coordinates.
DOMQuad.getBounds(): Returns a DOMRect object with the coordinates and dimensions of the DOMQuad object.
DOMQuad.toJSON(): Returns a JSON representation of the DOMQuad object.

Specification	Status	Comment
Geometry Interfaces Module Level 1 The definition of 'DOMQuad' in that specification.	Candidate Recommendation	Initial definition.

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	61	?	?	48	?

Feature	Android Webview	Chrome for Android	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile
Basic support	61	61	?	?	?	48	?

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