Run results for: looping with various 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36

Browser: Chrome 85

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var items = new Array(100000);
var aNum = 1000;

Tests:

for
for (var index = 0, item = null; (item = items[index]); index++) { var test = aNum - item; }
for normal
for (var index = 0; index < items.length; index++) { var item = items[index]; var test = aNum - item; }
foreach
items.forEach(item => { var test = aNum - item; });