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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0

Browser: Firefox 80

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
spread operator	6798754.0 Ops/sec
jQuery merge	4202026.0 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]);