targetElement
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.
SVGAnimationElement.targetElement 属性是指完成动画的元素。如果没有目标元素在执行动画（例如：因为 href 属性指定了一个未知的元素），这个值将返回 null。
语法
var targetElement = someElement.targetElement;
规范
| Specification |
|---|
| SVG Animations Level 2 # __svg__SVGAnimationElement__targetElement |
浏览器兼容性
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