vexflow is broken, not working, shows blank white screen
References:
http://vexflow.com/
https://github.com/0xfe/vexflow/wiki/The-VexFlow-Tutorial [ Vexflow tutorial ]
https://github.com/0xfe/vexflow/wiki/Using-EasyScore [ Easy Score ]
No need, just use this:
https://simperhu.weebly.com/
Example:
