It can serve html/js, but a lot of people advise against it. Depending on the traffic your files can be blocked.
Seems like a nice hosting with scalability. I am currently trying it, but the main problem was static hosting js files. From this site I managed to do that:
It seems a good option too, but it has no trial option. The least you can have is to pay for server hour. On the other hand they host in SSDs and their reputation is really good.