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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.0

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
for	174779.4 Ops/sec
foreach	571978.9 Ops/sec
some	571225.9 Ops/sec
every	554845.7 Ops/sec
for..of	178624.5 Ops/sec
map	527379.8 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);