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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

Browser: Firefox 108

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
for	13835983.0 Ops/sec
foreach	11701830.0 Ops/sec
for cached	13952508.0 Ops/sec
for..of	916214.1 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) { i; });
for cached
for (var i = 0,n = array.length; i < n; i++) { array[i]; }
for..of
for (var i of array) { i; }