Run results for: for of vs for vs foreach

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.2.3

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var arr = [1,2,3,4,5,6,7,8,9,0];

Tests:

Foreach
let result1 = ""; arr.forEach(item => result1 += item);
For
let result2 = ""; for (let i = 0; i < arr.length; i++) { result2 += arr[i]; }
For of
let result3 = ""; for (let item of arr) { result3 += item; }