Run results for: for vs foreach vs for..of vs for..of over entries

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4636.4 Safari/537.36 OPR/81.0.4183.0 (Edition developer)

Browser: Opera 81

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
for	38285.0 Ops/sec
foreach	98939.4 Ops/sec
for..of	98627.4 Ops/sec
for..of over entries	91651.2 Ops/sec

Script Preparation code:

var array = Array.from({length: 100});
var t;

Tests:

for
for (let i = 0; i < array.length; i++) { t = array[i]; }
foreach
array.forEach(function(v, i) { t = v; });
for..of
for (var v of array) { t = v; }
for..of over entries
for (var [i, v] of array.entries()) { t = v; }

Run results for: for vs foreach vs for..of vs for..of over entries

Compare loop performance

for

foreach

for..of

for..of over entries