Benchmark: js spread vs push on new array

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var arr1 = [ {"test1":"value1", "test2": "value2"} ]
var arr2 = [ {"test3":"value3", "test3": "value3"} ]

Tests:

spread
var result = [...arr1, ...arr2]
push
var result = [] arr1.forEach(t => result.push(t)) arr2.forEach(t => result.push(t))

Rendered benchmark preparation results:

Previous results

Test case name	Result
spread
push

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser/OS: Firefox 147 on Windows

push

20.5M/s

spread

15.5M/s

View exact numbers

Test name	Executions per second
✓ push	20,472,158 Ops/sec
spread	15,512,582 Ops/sec

js spread vs push on new array (version: 1)