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

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0

Browser: Firefox Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
For	11749241.0 Ops/sec
Foreach	7186556.5 Ops/sec
Do While	9165566.0 Ops/sec
While	11574225.0 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) { array[i]; });
Do While
var i = 0; do { array[i]; i++; } while (i < 100);
While
var i = 0; while (i < 100) { array[i]; i++; }