Run results for: unshift vs sort

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

swapping

3K/s

unshift

16/s

View exact numbers

Test name	Executions per second
✓ swapping	2,776 Ops/sec
unshift	16 Ops/sec

Script Preparation code:

var arr = [...Array(10000)].map((_,i) => i)

Tests:

unshift
arr.forEach((v,i) => { console.log(v,i); arr.unshift(arr.splice(i,1).shift()) })
swapping
arr.sort((a,b) => (a === b) ? 0 : (a < b) ? 1 : -1)