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/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
For	38304.9 Ops/sec
Foreach	2205400.5 Ops/sec
Do While	75537.8 Ops/sec
While	67956.3 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++; }