Arrays & Array Methods — Roadmap Step & Resources
map, filter, reduce, forEach and common array operations
- Level: beginner
- Estimated time: 2 days
- Roadmap: MERN Stack
Before this step
Mini projects
- Solve array manipulation exercises using map/filter/reduce
Interview questions
- Difference between map and forEach?
- How does reduce work internally?
Study resources
- 13 Array Methods You Should Know (Video) — Web Dev Simplified's practical tour of map, filter, reduce and other everyday array methods.
- Array methods (Article) — javascript.info's comprehensive reference for every commonly used array method.
- JavaScript Array Reference (Article) — MDN reference for array methods including map, filter, reduce, find, some, and every.
Part of
- JavaScript — section
- MERN Stack roadmap — the full learning path