DOMPoint 的 w 属性表示该点的空间透视值。
语法
var perspective = DOMPoint.w;
值
双精度浮点值，表示该点的空间透视值。这个值的类型并没有严格限制，意味着它可以是 NaN 或 ±Infinity。 默认值为 1.0。
规范
| Specification | Status | Comment |
|---|---|---|
| Geometry Interfaces Module Level 1 w |
Candidate Recommendation | Initial definition |
浏览器兼容性
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
w | Chrome Full support 61 | Edge Full support 79 | Firefox Full support 31 | IE No support No | Opera Full support 48 | Safari Full support 10.1 | WebView Android Full support 61 | Chrome Android Full support 61 | Firefox Android Full support 31 | Opera Android Full support 45 | Safari iOS Full support 10.3 | Samsung Internet Android Full support 8.0 |
Legend
- Full support
- Full support
- No support
- No support