Run results for: ES6 Array concat vs spread operator

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.1; MI 6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Mobile Safari/537.36

Browser: Chrome Mobile 70

Operating system: Android 7.1.1

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
Array.prototype.concat	1158696.2 Ops/sec
spread operator	1742741.0 Ops/sec

Script Preparation code:

var original = [ 1, 2 ];
var params = [ "hello", true, 7 ];

AخA
 
var original = [ 1, 2 ];var params = [ "hello", true, 7 ];

Tests:

Array.prototype.concat
return original.concat(params);
return original.concat(params);
spread operator
return [...original, ...params ]
return [...original, ...params ]