Run results for: Loop vs forEach array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:49.0) Gecko/20100101 Firefox/49.0

Browser: Firefox 49

Operating system: Mac OS X 10.11

Device Platform: Other

Date tested: 7 years ago

Script Preparation code:

var array = new Array(100);

Tests:

Loop
for (var i = 0; i < array.length; i++) { array[i]; }
Loop (extract length)
var l = array.length; for (var i = 0; i < l; i++) { array[i]; }
ForEach
array.forEach(function(item, index) { array[i]; });