<feFuncA>

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

<feFuncA> SVG 滤镜原语为其 <feComponentTransfer> 父元素输入图形的 alpha 分量定义了传递函数。

使用上下文

类别无
允许的内容任意数量、任意顺序的下列元素：
<animate>、<set>

DOM 接口

该元素实现了 SVGFEFuncAElement 接口。

规范

Specification
Filter Effects Module Level 1
# feFuncAElement

浏览器兼容性

BCD tables only load in the browser

参见