Typescript
Typescript is a strongly typed, object oriented, compiled language build on top of javascript.
Below that fantastic mental breain-tease, what this means is that with typescript and tools such as the tsserver, programing is taken to a next level with smart auto-completion, intellisense, and renaming.
While it does require more effort to make sure all types are added and updated, it is after all, worth the effort.
All modern text editors such as Vim or VsCode, offer plugins that allow such augmentation.
If you are familiar to object oriented programming languages such as C#, typescript be exactly what javascript was missing all along.