Run results for: for vs foreach vs some vs for..of

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Redmi Note 6 Pro Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36

Browser: Chrome Mobile 90

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
for	15368.7 Ops/sec
foreach	771481.7 Ops/sec
some	777877.9 Ops/sec
for..of	26334.1 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]; });
some
array.some(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }

Run results for: for vs foreach vs some vs for..of

Compare loop performance

for

foreach

some

for..of