Run results for: Array.from vs Spread. But with one thousand sequential elements and with one thousand random elements from zero and one thousand.

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36

Browser: Chrome 73

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Array.from	187612.9 Ops/sec
Spread	196718.4 Ops/sec

Script Preparation code:

var fooSet = new Set();
for(var i=0;i<1000;i++) {
  fooSet.add(i);
  fooSet.add(Math.floor(Math.random() * (1000 - 0 + 1)) + 0);
}

Tests: