IK Interview Knowledge Book

Topics Practice Examples Playground

RU

Computer Science and Algorithms 4
JavaScript Core 8
TypeScript 4
HTML, CSS, and Browser Platform 3
Frontend Frameworks 4
Node.js, APIs, and Security 6
Testing, Design, and Architecture 9
System Design and Data 2
- Databases and Storage 9
- ORM and Data Access 6
Tooling, Platform, and Process 10

JavaScript Core Functions

foundation

Functions

Declarations, expressions, arrows, higher-order functions, purity, currying, and composition.

Practice for this topic

What does this program print?Which call succeeds before the function line in the same scope?

Runnable examples