Run results for: for vs forEach vs for-of - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
for	1427862.0 Ops/sec
forEach	7776176.0 Ops/sec
for-of	2126536.0 Ops/sec

Website performance monitoring

Script Preparation code:

var array = new Array(100);

Tests:

for
for (var i = 0; i < array.length; i++) { array[i]; }
forEach
array.forEach(function(item, index) { return item; });
for-of
for (var item of array) { item; }