TypeScript

Seems exactly what im searching for. https://www.typescriptlang.org/ (strong typing for es)
or even https://kotlinlang.org/ (link easy to java and javascript)
Add: Electron -> https://www.youtube.com/watch?v=8YP_nOCO-4Q&feature=youtu.be
Add:RedMonk gitHub Language Rating
Add: Github 2017 Language Rating