‫در آینده‌ی JavaScript کمتر از خود JavaScript استفاده خواهد شد

I can tell at least that in 3 years, JavaScript will gain more the status of a VM and lose the status of a language. Already today, not many people use raw JavaScript. You usually have some transpilation, at least e.g. Babel. In the future, Web Assembly will enable more innovation in that regards, and existing transpiling languages like Elm, TypeScript, PureScript will continue to improve.