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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0

Browser: Firefox 150

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
for	47702836.0 Ops/sec
foreach	16888736.0 Ops/sec
for in	124533096.0 Ops/sec
for..of	4205926.5 Ops/sec

Script Preparation code:

var array = new Array(100);

Tests:

for
for (let i = 0, len = array.length; i < len; i++) { array[i]; }
foreach
array.forEach(function(i) { i; });
for in
for (let i in array) { array[i]; }
for..of
for (let i of array) { i; }