Run results for: JS unshift vs slice

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36 Edg/101.0.1210.53

Browser: Chrome 101

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Unshift	11449590.0 Ops/sec
Slice	423241.7 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: