The DOMPointReadOnly()
constructor returns a new DOMPointReadOnly
object representing a point in 2D or 3D space, optionally with perspective, whose values cannot be altered by script code.
DOMPointReadOnly()
Syntax
new DOMPointReadOnly(x, y, z, w);
Parameters
-
x
Optional -
The value of the horizontal coordinate, x, as a floating point number. The default value is 0.
-
y
Optional -
The value of the vertical coordinate, y, as a floating point number. The default value is 0.
-
z
Optional -
The value of the depth coordinate, z, as a floating point number. The default value is 0.
-
w
Optional -
The value of the perspective, w, as a floating point number. The default is 1.
Return value
A new DOMPointReadOnly
object representing the specified location in space.
Examples
The following code demonstrates creating both 2D and 3D points.
var point2D = new DOMPointReadOnly(50, 25); var point3D = new DOMPointReadOnly(50, 0, 10); var perspectivePoint3D = new DOMPointReadOnly(50, 50, 25, 0.5);
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
DOMPointReadOnly |
61
|
79
|
62
|
No
|
48
|
10.1
|
61
|
61
|
62
|
45
|
10.3
|
8.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/DOMPointReadOnly/DOMPointReadOnly