Run results for: Slice & Splice vs ES6 Array Spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.2; ONEPLUS A3003 Build/NJH47F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Mobile Safari/537.36

Browser: Chrome Mobile 64

Operating system: Android 7.1.2

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Slice & Splice	898729.6 Ops/sec
ES6 Array Creation	124392.2 Ops/sec

Script Preparation code:

var array = Array.from({ length: 100 }).map((val, i) => i);

Tests:

Slice & Splice
var messages = array.slice().splice(38, 1);
ES6 Array Creation
var messages = [...array].splice(38, 1);

Run results for: Slice & Splice vs ES6 Array Spread

Slice & Splice

ES6 Array Creation