SVGFEDisplacementMapElement: xChannelSelector property
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.
ThexChannelSelector read-only property of theSVGFEDisplacementMapElement interface reflects thexChannelSelector attribute of the given<feDisplacementMap> element. It takes one of theSVG_CHANNEL_* constants defined on this interface.
In this article
Value
AnSVGAnimatedEnumeration object.
Examples
>Accessing thexChannelSelector attribute
In this example, the<feDisplacementMap> element defined in the<filter> includes axChannelSelector attribute.
html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"> <defs> <filter> <!-- Displacement Map with xChannelSelector set to Red Channel --> <feDisplacementMap in="SourceGraphic" scale="20" xChannelSelector="R"> <feFuncR type="table" tableValues="0 1" /> </feDisplacementMap> </filter> </defs> <rect x="20" y="20" width="100" height="100" fill="red" filter="url(#displacementFilter)" /></svg>We can access thexChannelSelector attribute and get its value:
js
const displacementMap = document.querySelector("feDisplacementMap");console.log(displacementMap.xChannelSelector.baseVal); // Output: 1 (SVG_CHANNEL_R)Specifications
| Specification |
|---|
| Filter Effects Module Level 1> # dom-svgfedisplacementmapelement-xchannelselector> |