Run results for: Slice & Splice vs ES6 Array Spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; HTC 10 Build/OPR1.170623.027) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Mobile Safari/537.36

Browser: Chrome Mobile 67

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Slice & Splice	574040.3 Ops/sec
ES6 Array Creation	285982.1 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