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SVGAnimationElement: requiredExtensions property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨January 2020⁩.

The requiredExtensions read-only property of the SVGAnimationElement interface reflects the requiredExtensions attribute of the given element.

Specification
Scalable Vector Graphics (SVG) 2> # __svg__SVGTests__requiredExtensions>

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`requiredExtensions`	2	79	12	≤12.1	3	18	14	≤12.1	1	1.0	3	1

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https://developer.mozilla.org/en-US/docs/Web/API/SVGAnimationElement/requiredExtensions