Browse by Category

+ added · ✎ updated 7d

⚖ Terms of Use

Typescript terms

2 terms of 1444 total

🔷 JavaScript with a safety net and a much better IDE experience

TypeScript adds a powerful static type system to JavaScript, catching errors at compile time and making large codebases dramatically easier to maintain and refactor. This category covers type primitives, generics, utility types, declaration files, strict mode, and the patterns that make TypeScript an upgrade rather than just added ceremony.

Sort A → Z Recently Added Recently Updated Difficulty Most Viewed Most Rated Most Shared

Level All Beginner Intermediate Advanced

✕ Clear A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Diagram: Module Augmentation & Declaration Merging

Module Augmentation & Declaration Merging 2.0

Module augmentation lets you extend third-party or global type definitions without modifying their source — adding properties to existing interfaces, modules, or the global scope.

4w ago typescript advanced

Mapped Types & Template Literal Types 2.1

Mapped types transform existing types by iterating over their keys. Template literal types create string union types from combinations — together they enable powerful type-level transformations.

2mo ago typescript advanced

✓ schema.org compliant