Run results for: Array.prototype.slice vs spread operator with long arrays

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:67.0) Gecko/20100101 Firefox/67.0

Browser: Firefox 67

Operating system: Mac OS X 10.13

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Array.prototype.slice	95752.5 Ops/sec
spread operator	59463.0 Ops/sec

Script Preparation code:

var params = [];
for (var i = 0; i < 500; i++) {
  params.push(i + '_hi there'); 
  params.push(true);
  params.push(i);
}

Tests: