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Draft
This page is not complete.

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The DOMRectReadOnly interface specifies the standard properties used by DOMRect to define a rectangle.

Constructor

DOMRectReadOnly()
Defined to create a new DOMRectReadOnly object, but note that this constructor cannot be called by 3rd party JavaScript: doing so returns an "Illegal constructor" typeError.

Properties

DOMRectReadOnly.x Read only
The x coordinate of the DOMRect's origin.
DOMRectReadOnly.y Read only
The y coordinate of the DOMRect's origin.
DOMRectReadOnly.width Read only
The width of the DOMRect.
DOMRectReadOnly.height Read only
The height of the DOMRect.
DOMRectReadOnly.top Read only
Returns the top coordinate value of the DOMRect (usually the same as y.)
DOMRectReadOnly.right Read only
Returns the right coordinate value of the DOMRect (usually the same as x + width).
DOMRectReadOnly.bottom Read only
Returns the bottom coordinate value of the DOMRect (usually the same as y + height).
DOMRectReadOnly.left Read only
Returns the left coordinate value of the DOMRect (usually the same as x).

Methods

DOMRectReadOnly.fromRect()
Creates a new DOMRect object with a given location and dimensions.

Specifications

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes) (Yes)
 
No support (Yes) No support
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) No support No support (Yes) No support

See also

Document Tags and Contributors

 Contributors to this page: jpmedley, rolfedh, chrisdavidmills
 Last updated by: jpmedley,