Run results for: for/for each/forEach with console.debug - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0

Browser: Firefox 72

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
for	710.8 Ops/sec
for each	94361370.0 Ops/sec
forEach	8975785.0 Ops/sec

Website performance monitoring

Script Preparation code:

var array = new Array(100);

Tests:

for
for (var i = 0; i < array.length; i++) { console.debug(array[i]); }
for each
for (var item in array) { console.debug(item); }
forEach
array.forEach(function(item, index) { console.debug(item); });