Run results for: map vs foreach 2023

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

foreach

27K/s

map

26K/s

View exact numbers

Test name	Executions per second
✓ foreach	27,223 Ops/sec
map	26,239 Ops/sec

Tests:

map
let myArr = ["69", "108", "122", "101", "114", "111"], result = myArr.map((item) => String.fromCharCode(item)).join(""); console.log(result);
foreach
let myArr = ["69", "108", "122", "101", "114", "111"], result = ""; myArr.forEach((item) => (result += String.fromCharCode(item))); console.log(result);