← 🟨 JavaScript Foundations16 / 26
Lesson 16 — Array reduce
Fold to one value
reduce carries an accumulator across the array — sums, totals, grouping.
Task
Use reduce to total the prices.
Keep going with JavaScript Foundations
Ready for more? These paid resources pick up where this lesson leaves off.
UdemyBestsellers
Top-rated JavaScript Foundations courses
Project-based JavaScript Foundations video courses — the perfect paid next step after these free lessons.
Browse on Udemy →AmazonReader picks
Best JavaScript Foundations books
Hand-picked JavaScript Foundations books to master the fundamentals offline.
See on Amazon →Some links on this page are affiliate links: we may earn a commission at no extra cost to you. We only recommend tools we believe are genuinely useful.