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

Run details:

User agent: curl

Browser: Other

Operating system: Other

Device Platform: Desktop

Date tested: one year ago

foreach

4.3M/s

some

4.3M/s

for..of

249K/s

for

152K/s

View exact numbers

Test name	Executions per second
✓ foreach	4,317,824 Ops/sec
some	4,268,492 Ops/sec
for..of	248,733 Ops/sec
for	152,039 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]; });
for..of
for (var i of array) { array[i]; }