TypeScript
Languages and platforms · JavaScript with types
created · updated
An extension of JavaScript in which values are given a type: number, string and so on. Thanks to this, errors like “a string was passed instead of a number” are found before the program runs, not at the user’s. The finished program is turned into ordinary JavaScript.
Source: typescriptlang.org, the TypeScript site
Where it appears · 1
- Vitest vs Jest · Specs and context