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

Run details:

User agent: Mozilla/5.0 (Android 12; Mobile; rv:109.0) Gecko/111.0 Firefox/111.0

Browser: Firefox Mobile 111

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
for	2343033.8 Ops/sec
foreach	2142548.2 Ops/sec
some	3333177.0 Ops/sec
every	3305607.5 Ops/sec
for..of	346106.0 Ops/sec
map	1837572.5 Ops/sec

Script Preparation code:

var array = new Array(100);

Tests:

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