Run results for: JS unshift vs slice

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; TA-1012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.112 Mobile Safari/537.36

Browser: Chrome Mobile 74

Operating system: Android

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Unshift	2670903.0 Ops/sec
Slice	123763.3 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: