The DOMPoint interface's z property specifies the depth coordinate of a point in space. Unless transforms have changed the orientation, a z of 0 is the plane of the screen, with positive values extending outward toward the user from the screen, and negative values receding into the distance behind the screen.
var zPos = DOMPoint.z;
A double-precision floating-point value indicating the z coordinate's value for the point. This value is unrestricted, meaning that it is allowed to be infinite or invalid (that is, its value may be NaN or ±Infinity).
| Specification | Status | Comment |
|---|---|---|
| Geometry Interfaces Module Level 1 The definition of 'z' in that specification. | Candidate Recommendation | Initial definition |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 61 | No | 31 | No | 48 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 61 | 61 | No | 31 | 48 | No | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/DOMPoint/z