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SVGFEConvolveMatrixElement: divisor property

files/en-us/web/api/svgfeconvolvematrixelement/divisor/index.md

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{{APIRef("SVG")}}

The divisor read-only property of the {{domxref("SVGFEConvolveMatrixElement")}} interface reflects the {{SVGAttr("divisor")}} attribute of the given {{SVGElement("feConvolveMatrix")}} element.

Value

An {{domxref("SVGAnimatedNumber")}} object.

Examples

Access the divisor property

A convolution filter is applied to a rectangle, and the divisor is used to control the brightness.

html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="convolveFilterWithDivisor">
      <feConvolveMatrix
        in="SourceGraphic"
        order="3"
        kernelMatrix="0 -1 0 -1 4 -1 0 -1 0"
        divisor="1" />
    </filter>
  </defs>
  <rect
    x="20"
    y="20"
    width="100"
    height="100"
    fill="lightgreen"
    filter="url(#convolveFilterWithDivisor)" />
</svg>
js
const convolveMatrix = document.querySelector("feConvolveMatrix");

console.log(convolveMatrix.divisor.baseVal); // Output: 1

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

  • {{domxref("SVGAnimatedNumber")}}