Run results for: For vs Foreach vs Do While vs While - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Edg/100.0.1185.50

Browser: Chrome 100

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
For	65535.4 Ops/sec
Foreach	3728243.0 Ops/sec
Do While	107253.1 Ops/sec
While	99790.2 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(i) { array[i]; });
Do While
var i = 0; do { array[i]; i++; } while (i < 100);
While
var i = 0; while (i < 100) { array[i]; i++; }