[page:Loader] →

# [name]

Class for loading [page:AnimationClip AnimationClips] in JSON format. This uses the [page:FileLoader] internally for loading files.

## Code Example

`// instantiate a loader const loader = new THREE.AnimationLoader(); // load a resource loader.load( // resource URL 'animations/animation.js', // onLoad callback function ( animations ) { // animations is an array of AnimationClips }, // onProgress callback function ( xhr ) { console.log( (xhr.loaded / xhr.total * 100) + '% loaded' ); }, // onError callback function ( err ) { console.log( 'An error happened' ); } );`

## Constructor

### [name]( [param:LoadingManager manager] )

[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
Creates a new [name].

## Properties

See the base [page:Loader] class for common properties.

## Methods

See the base [page:Loader] class for common methods.

### [method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )

[page:String url] — the path or URL to the file. This can also be a [link:https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs Data URI].
[page:Function onLoad] — Will be called when load completes. The argument will be the loaded [page:AnimationClip animation clips].
[page:Function onProgress] (optional) — Will be called while load progresses. The argument will be the ProgressEvent instance, which contains .[page:Boolean lengthComputable], .[page:Integer total] and .[page:Integer loaded]. If the server does not set the Content-Length header; .[page:Integer total] will be 0.
[page:Function onError] (optional) — Will be called if load errors.
Begin loading from url and pass the loaded animation to onLoad.

### [method:Array parse]( [param:JSON json] )

[page:JSON json] — required
Parse the JSON object and return an array of animation clips. Individual clips in the object will be parsed with [page:AnimationClip.parse].

## Source

[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]