Run results for: unshift vs sort

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
unshift	3.9 Ops/sec
swapping	815.7 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)