Run results for: Array.prototype.concat vs spread operator

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Other

Date tested: 5 years ago

Test name	Executions per second
Array.prototype.concat	3329644.0 Ops/sec
spread operator	3859407.0 Ops/sec

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var clone = [ ...params ]; clone.push({something: 'new'});
spread operator
var params = [ "hello", true, 7 ] var clone = params.concat([{something: 'new'}])