Yashotantra Academy
AI · Blockchain · Cloud · Data
Dark mode active
Learn
Tracks
ABCD
Certification
More
▾
Dark mode active
Learn
Tracks
ABCD
Certification
Study
Theory
Code Lab
Build
Solidity IDE
Staking Sandbox
Simulation
Reference
Wallets
Gas Fees
Explorers
← Code Lab
JavaScript
0/50 solved · 0%
All lessons
lesson
code
Array methods · easy
13. Array.reduce
Fold a list into one value.
Write `totalFees(txs)` summing each tx's `fee`.
Required in your answer:
.reduce(
Reveal solution
Run & check
Reset
Runs in a sandboxed worker
function totalFees(txs) { // TODO reduce }
Output appears here.
← 12. Array.filter
14. find & includes →