Run results for: Set union forEach vs forOf

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36

Browser: Chrome 73

Operating system: Mac OS X 10.14.0

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var a = new Set();
for (var i = 0; i < 100000; i++) {
  a.add(i);
}

var b = new Set();
for (var i = 0; i < 200000; i+= 2) {
  b.add(i);
}

Tests: