Run results for: JS unshift vs slice

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0

Browser: Firefox 121

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Unshift	404514200.0 Ops/sec
Slice	48987.9 Ops/sec

Script Preparation code:

var arr1 = [];
for(i=0; i<10000; i++){arr1.push(i);}
var arr2 = [];
for(i=0; i<10000; i++){arr2.push(i);}

Tests: