pointsAtX

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.

ThepointsAtX attribute represents the x location in the coordinate system established by attributeprimitiveUnits on the<filter> element of the point at which the light source is pointing.

You can use this attribute with the following SVG elements:

<feSpotLight>

Example

html,body,svg {  height: 100%;}

html

<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">  <filter x="0" y="0" width="100%" height="100%">    <feDiffuseLighting in="SourceGraphic">      <feSpotLight x="60" y="60" z="50" pointsAtX="0" />    </feDiffuseLighting>  </filter>  <filter x="0" y="0" width="100%" height="100%">    <feDiffuseLighting in="SourceGraphic">      <feSpotLight x="60" y="60" z="50" pointsAtX="400" />    </feDiffuseLighting>  </filter>  <rect x="0" y="0" width="200" height="200" filter="url(#lighting1)" />  <rect x="220" y="0" width="200" height="200" filter="url(#lighting2)" /></svg>