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 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0

Browser: Firefox 112

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	5388000.0 Ops/sec
foreach	2870742.0 Ops/sec
some	3010879.0 Ops/sec
every	471436600.0 Ops/sec
for..of	593982.2 Ops/sec
map	1243559.0 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);