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

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:124.0) Gecko/124.0 Firefox/124.0

Browser: Firefox Mobile 124

Operating system: Android

Device Platform: Mobile

Date tested: 5 months ago

Test name	Executions per second
for	13050996.0 Ops/sec
foreach	7475910.5 Ops/sec
for in	33724728.0 Ops/sec
for..of	1001961.2 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]; });
for in
for (var i in array) { array[i]; }
for..of
for (var i of array) { array[i]; }