Run results for: for vs foreach vs some vs every vs for..of vs map es6 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	101867.9 Ops/sec
foreach	200502.2 Ops/sec
some	199078.0 Ops/sec
every	9429664.0 Ops/sec
for..of	192668.6 Ops/sec
map	4112067.0 Ops/sec

Website performance monitoring

Script Preparation code:

var array = Array(100).fill(0);

Tests:

for
for (let i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(i => { array[i]; });
some
array.some(i => { array[i]; });
every
array.every(i => { array[i]; });
for..of
for (const i of array) { array[i]; }
map
array.map(a => a);