Run results for: array push vs array set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

push

571K/s

array set 2

190K/s

array set

15K/s

View exact numbers

Script Preparation code:

var array = [...new Array(1000).keys()]

Tests:

push
var brray = [] brray.push(...array)
array set
var crray = [] for (let i = 0; i < array.length; i++) { crray[i] = array[i] }
array set 2
var drray = [] for (const [key, value] of array.entries()) { drray[key] = value }