Run results for: Spread performances

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36

Browser: Chrome 76

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Array + 1	1043507.1 Ops/sec
Array + 10	1105072.5 Ops/sec
Array + 100	1082029.0 Ops/sec
Array + 500	1077187.6 Ops/sec
Array + 1000	1142472.0 Ops/sec

Script Preparation code:

class X { uuid = "0123456789ABCDEF" }
x = new X()

var array1 = Array(1).fill(x)
var array10 = Array(10).fill(x)
var array100 = Array(100).fill(x)
var array500 = Array(500).fill(x)
var array1000 = Array(1000).fill(x)

Tests:

Array + 1
var array = [...array100, array1]
Array + 10
var array = [...array100, array10]
Array + 100
var array = [...array100, array100]
Array + 500
var array = [...array100, array500]
Array + 1000
var array = [...array100, array1000]

Run results for: Spread performances

Spread performances with array of 1, 10, 100, 500 and 1000 elements.

Array + 1

Array + 10

Array + 100

Array + 500

Array + 1000