Run results for: Array.prototype.concat vs spread operator

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/604.4.5 (KHTML, like Gecko) Version/11.0.2 Safari/604.4.5

Browser: Safari 11

Operating system: Mac OS X 10.13.2

Device Platform: Other

Date tested: 2024 years ago

Test name	Executions per second
Array.prototype.concat	7011753.0 Ops/sec
spread operator	13226140.0 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.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 ]
lodash concat
var params = [ "hello", true, 7 ]; var other = _.concat([ 1, 2 ], params);