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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:70.0) Gecko/20100101 Firefox/70.0

Browser: Firefox 70

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
spread operator	6402148.0 Ops/sec
jQuery merge	3615532.0 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]);