Run results for: Array.prototype.concat vs splice 1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36

Browser: Chrome 71

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
spread operator	4788616.0 Ops/sec
jQuery merge	13116160.0 Ops/sec

Tests:

spread operator
var a = [ "hello" ] var b = [ "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello" ] var other = a.concat(b)
jQuery merge
var a = [ "hello" ]; var b = [ "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello" ] var other = b.splice(0, 0, a[0]);