Run results for: for vs foreach vs for..of vs for..of over entries - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/137.0 Firefox/137.0

Browser: Firefox Mobile 137

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
for	4286327.0 Ops/sec
foreach	449940.1 Ops/sec
for..of	648919.6 Ops/sec
for..of over entries	371579.8 Ops/sec

Script Preparation code:

var array = Array.from({length: 100});
var t;

Tests:

for
for (let i = 0; i < array.length; i++) { t = array[i]; }
foreach
array.forEach(function(v, i) { t = v; });
for..of
for (var v of array) { t = v; }
for..of over entries
for (var [i, v] of array.entries()) { t = v; }