Ah so it needs a webserver for the JS, yes it seem to work with one. Is this needed because it is using WebGL?
For AS3 the errors are -
SkeletonSprite.as(46): col: 3 Error: Call to a possibly undefined method removeChildren.
removeChildren();
^
SkeletonJson.as(47): col: 21 Error: Access of undefined property JSON.
var root😮bject = JSON.parse(json);
Also Spine AS3 (Starling) has these errors -
StarlingAtlasAttachmentLoader.as(12): col: 55 Error: Interface AttachmentLoader was not found.
public class StarlingAtlasAttachmentLoader implements AttachmentLoader {
^
SkeletonSprite.as(24): col: 47 Error: Type was not found or was not a compile-time constant: SkeletonData.
public function SkeletonSprite (skeletonData:SkeletonData) {
^
SkeletonSprite.as(190): col: 36 Error: Type was not found or was not a compile-time constant: Skeleton.
public function get skeleton () : Skeleton {
^