SVGFESpotLightElement: pointsAtZ 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.

The pointsAtZ read-only property of the SVGFESpotLightElement interface reflects the pointsAtZ attribute of the given <feSpotLight> element.

Value

Examples

Accessing the pointsAtZ attribute of the <feSpotLight> element

In this example, we access the z location for the light source created by the <feSpotLight> SVG filter element in the SVG coordinate system by using the pointsAtZ read-only property of the SVGFESpotLightElement interface.

html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="specularLightingFilter">
      <!-- Apply a specular light effect to the SourceGraphic -->
      <feSpecularLighting
        in="SourceGraphic"
        specularExponent="20"
        lighting-color="hotpink"
        surfaceScale="30">
        <feSpotLight
          x="10"
          y="50"
          z="150"
          pointsAtX="150"
          pointsAtY="100"
          pointsAtZ="0"
          specularExponent="20" />
      </feSpecularLighting>
    </filter>
  </defs>

  <!-- A circle to display the effect of the lighting -->
  <circle cx="100" cy="100" r="50" filter="url(#specularLightingFilter)" />
</svg>
js
// Select the feSpotLight element
const spotLightElement = document.querySelector("feSpotLight");
console.log(spotLightElement.pointsAtZ.baseVal); // Output: 0

Specifications

Specification
Filter Effects Module Level 1
# dom-svgfespotlightelement-pointsatz

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
pointsAtZ

Legend

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Full support
Full support

See also