JavaScript is a widely used language for many areas, like Browser, Server, LoT and even Aerospace. However it has very few low-level use cases, 'cause it is a dynamic language, no type system, unsatisfactory performance, balbala...

In 2012, TypeScript was made public, it is a strict syntactical superset of JavaScript and adds optional static typing to the language.

In 2018, I thought it may be possible to write a database engine based on TypeScript.