Baseline Widely available
The divisor
read-only property of the SVGFEConvolveMatrixElement
interface reflects the divisor
attribute of the given <feConvolveMatrix>
element.
An SVGAnimatedNumber
object.
divisor
property
A convolution filter is applied to a rectangle, and the divisor
is used to control the brightness.
<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>
const convolveMatrix = document.querySelector("feConvolveMatrix");
console.log(convolveMatrix.divisor.baseVal); // Output: 1
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