Run results for: Iterate Array for vs for..of vs forEach

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.99 Safari/537.36

Browser: Chrome 93

Operating system: Windows 7

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var arr = new Array(100000).fill(1).map((_, i) => i);

Tests:

For Loop
var total = 0; for(var i = 0, len = arr.length; i < len; i++) total += arr[i];
For..of Loop
var total = 0; for(var val of arr) total += arr[i];
forEach Loop
var total = 0; arr.forEach(val => total += val);