Note the GP's use of "delivering" - people have been using non-JS languages for a while and they have mature tooling & good communities. Elm, ClojureScript, etc

Note the GP's use of "delivering" - people have been using non-JS languages for a while and they have mature tooling & good communities. Elm, ClojureScript, etc. And the semi-Javascripts like TypeScripts and CoffeeScript.