MDN Feature pages for SVGAnimatedNumberList: animVal, baseVal (mdn#37074

)

files/en-us/web/api/svganimatednumberlist/animval/index.md

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+---
+title: "SVGAnimatedNumberList: animVal property"
+short-title: animVal
+slug: Web/API/SVGAnimatedNumberList/animVal
+page-type: web-api-instance-property
+browser-compat: api.SVGAnimatedNumberList.animVal
+---
+
+{{APIRef("SVG")}}
+
+The **`animVal`** read-only property of the {{domxref("SVGAnimatedNumberList")}} interface represents the current animated value of an animatable attribute that accepts a list of [`<number>`](/en-US/docs/Web/SVG/Content_type#number) values.
+
+This property reflects the [`viewBox`](/en-US/docs/Web/SVG/Attribute/viewBox) attribute of the [`<svg>`](/en-US/docs/Web/SVG/Element/svg) element, the [`values`](/en-US/docs/Web/SVG/Attribute/values#fecolormatrix) attribute of the [`feColorMatrix`](/en-US/docs/Web/SVG/Element/feColorMatrix) element and the {{SVGAttr("points")}} attribute of the {{SVGElement("rect")}}, {{SVGElement("polygon")}}, or {{SVGElement("polyline")}} element as a readonly {{domxref("SVGNumberList")}}, providing access to a dynamically updated list of points defined by the {{SVGAttr("points")}} attribute.
+
+## Value
+
+An {{domxref("SVGNumberList")}} object representing the animated value of the attribute. The list contains one or more numbers corresponding to the individual number values specified in the attribute.
+
+## Examples
+
+```js
+const rect = document.querySelector("rect");
+
+// Set the animatable 'points' attribute with number values
+rect.setAttribute("points", "10,10 20,10 20,20 10,20");
+
+// Access the SVGAnimatedNumberList object
+const points = rect.points;
+
+console.dir(points.animVal); // the animated state
+```
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("SVGAnimatedNumber")}}

files/en-us/web/api/svganimatednumberlist/baseval/index.md

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+---
+title: "SVGAnimatedNumberList: baseVal property"
+short-title: baseVal
+slug: Web/API/SVGAnimatedNumberList/baseVal
+page-type: web-api-instance-property
+browser-compat: api.SVGAnimatedNumberList.baseVal
+---
+
+{{APIRef("SVG")}}
+
+The **`baseVal`** read-only property of the {{domxref("SVGAnimatedNumberList")}} interface represents the base (non-animated) value of an animatable attribute that accepts a list of [`<number>`](/en-US/docs/Web/SVG/Content_type#number) values.
+
+This property reflects the [`viewBox`](/en-US/docs/Web/SVG/Attribute/viewBox) attribute of the [`<svg>`](/en-US/docs/Web/SVG/Element/svg) element, the [`values`](/en-US/docs/Web/SVG/Attribute/values#fecolormatrix) attribute of the [`feColorMatrix`](/en-US/docs/Web/SVG/Element/feColorMatrix) element and the {{SVGAttr("points")}} attribute of the {{SVGElement("rect")}}, {{SVGElement("polygon")}}, or {{SVGElement("polyline")}} element as a readonly {{domxref("SVGNumberList")}}, providing access to a static list of points defined by the {{SVGAttr("points")}} attribute.
+
+## Value
+
+An {{domxref("SVGNumberList")}} object representing the base value of the attribute. The list contains one or more numbers corresponding to the individual number values specified in the attribute.
+
+## Examples
+
+```js
+const rect = document.querySelector("rect");
+
+// Set the animatable 'points' attribute with number values
+rect.setAttribute("points", "10,10 20,10 20,20 10,20");
+
+// Access the SVGAnimatedNumberList object
+const points = rect.points;
+
+// Modify the base value
+points.baseVal = [10, 15, 25, 30];
+
+// Verify the reflected attribute value
+console.log(rect.getAttribute("points")); // Output: "10,15 25,30"
+```
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("SVGAnimatedNumber")}}