It says a lot about the value of cross-platform and zero-deployment that developers put up with Javascript and HTML as an application development platform. It

It says a lot about the value of cross-platform and zero-deployment that developers put up with Javascript and HTML as an application development platform. It also says a lot about what is not valued: a consistent UI paradigm (Bootstrap not withstanding), a rich suite of client-supplied services, multi-tasking, static typing. Javascript is just what you have to put up with to get access to everything else.