This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The result read-only property of the SVGFEOffsetElement interface describes the assigned name of an SVG filter primitive as an SVGAnimatedString.
It reflects the result attribute of the <feOffset> element, which offsets the input image relative to its current position. The attribute value is a <custom-ident>. If supplied, then graphics that result from processing this filter primitive can be referenced by an in attribute on a subsequent filter primitive within the same <filter> element.
If no result attribute is defined, the filter's result.baseVal and result.animVal are empty strings, and the output of the <feOffset> filter will only be available for re-use as the implicit input into the next filter primitive if that filter primitive provides no value for its in attribute.
const feOffsetElement = document.querySelector("feOffset");
const filterName = feOffsetElement.result;
console.log(filterName.baseVal); // the filter's assigned name
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
result |
5 | 12 | 3 | ≤12.1 | 6 | 18 | 4 | ≤12.1 | 6 | 1.0 | 4.4 | 6 |
SVGFEOffsetElement.in1<custom-ident> data type
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https://developer.mozilla.org/en-US/docs/Web/API/SVGFEOffsetElement/result