Run results for: Javascript - Array merge

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SAMSUNG SM-A605FN) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/14.2 Chrome/87.0.4280.141 Mobile Safari/537.36

Browser: Chrome Mobile 87

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.concat	813704.0 Ops/sec
spread operator	3411860.8 Ops/sec
jQuery merge	445669.2 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]
jQuery merge
var params = [ "hello", true, 7 ]; var other = $.merge([1, 2], params);

Run results for: Javascript - Array merge

Comparison of techniques for merging performance-focused arrays.

Array.prototype.concat

spread operator

jQuery merge