Run results for: for of / forEach.

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

Benchmark engine: Benchmark.js

forEach

18.9M/s

for of

6.8M/s

View exact numbers

Test name	Executions per second
✓ forEach	18,863,042 Ops/sec
for of	6,808,806 Ops/sec

Script Preparation code:

var number = +prompt('Enter array length')
var arr = new Array(number).fill().map((_, i) => i);

function sum(a, b) {
  return a + b;
}

Tests: