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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) fe-mem-test/1.0.0 Chrome/80.0.3987.163 Electron/8.5.5 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	78991.0 Ops/sec
foreach	4861965.5 Ops/sec
for in	3375570.5 Ops/sec
for..of	124553.6 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]; });
for in
for (var i in array) { array[i]; }
for..of
for (var i of array) { array[i]; }

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

Compare loop performance

for

foreach

for in

for..of