Run results for: For vs Foreach vs Do While vs While v3 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
For	27379612.0 Ops/sec
Foreach	13874883.0 Ops/sec
Do While	17427592.0 Ops/sec
While	27500722.0 Ops/sec

Script Preparation code:

var array = new Array(100);

Tests:

For
let n = array.length; for (let i = 0; i < n; ++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++; }