Run results for: for vs foreach vs some vs every vs for..of vs map / 2 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; rv:102.0) Gecko/20100101 Firefox/102.0

Browser: Firefox 102

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	76.3 Ops/sec
foreach	76.0 Ops/sec
some	68.3 Ops/sec
every	55840.6 Ops/sec
for..of	49.5 Ops/sec
map	56.8 Ops/sec

Script Preparation code:

var array = Array.from(Array(1000).keys());

Tests:

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