Run results for: for of vs forEach vs for

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0

Browser: Firefox 61

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Script Preparation code:

var arr = [];
for (var i = 0; i < 10000; i++) {
    arr[i] = {x: 4 + i, y: 'test string' + i, q: {z: '' + i}};
}

Tests: