---
title: "SVGAnimatedLengthList | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface SVGAnimatedLengthList

The **`SVGAnimatedLengthList`** interface is used for attributes of type SVGLengthList which can be animated.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList)

interface SVGAnimatedLengthList {  
    [animVal](#animval): [SVGLengthList](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SVGLengthList/);  
    [baseVal](#baseval): [SVGLengthList](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SVGLengthList/);  
}

##### Index

### Properties[](#properties)

[animVal](#animval) [baseVal](#baseval)

## Properties[](#properties-1)

### `Readonly`animVal[](#animval)

animVal: [SVGLengthList](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SVGLengthList/)

The **`animVal`** read-only property of the SVGAnimatedLengthList interface represents the animated value of an attribute that accepts a list of , , or values.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList/animVal)

### `Readonly`baseVal[](#baseval)

baseVal: [SVGLengthList](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SVGLengthList/)

The **`baseVal`** read-only property of the SVGAnimatedLengthList interface represents the base (non-animated) value of an animatable attribute that accepts a list of , , or values.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList/baseVal)