This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The kernelUnitLengthY read-only property of the SVGFEConvolveMatrixElement interface reflects the kernelUnitLength attribute of the given <feConvolveMatrix> element.
It specifies the length in user units for each cell of the convolution matrix along the Y-axis.
An SVGAnimatedNumber object.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
kernelUnitLengthY |
6 | 12 | 3 | ≤12.1 | 6 | 18 | 4 | ≤12.1 | 6 | 1.0 | 4.4 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/API/SVGFEConvolveMatrixElement/kernelUnitLengthY