DOMPoint.w

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

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
Geometry Interfaces Module Level 1
# dom-dompointreadonly-w

浏览器兼容性

BCD tables only load in the browser

参见

  • 其他坐标属性：x，y，z.