Run results for: for..of VS forEach

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

for..of

165K/s

forEach

147K/s

forEach func

143K/s

for of transpiled

46K/s

View exact numbers

Script Preparation code:

var values = new Array(10000);
for (var i = 0; i < values.length; i++) values[i]=i;

Tests:

forEach
var sum = 0; values.forEach(v => sum += v );
for..of
var sum = 0; for (var v of values) sum += v;
forEach func
var sum = 0; values.forEach(function(v) { sum += v } );
for of transpiled
var sum = 0; for (var _i = 0, _a=values, _l=_a.length; _i < _l; _i++) sum += _a[i];