Run results for: Object merge vs library merge TomekTest

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SM-N985F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.97 Mobile Safari/537.36 OPR/71.3.3718.67322

Browser: Opera Mobile 71

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Object.assign	1956784.0 Ops/sec
jQuery extend	1308679.0 Ops/sec
Immutable merge	424636.2 Ops/sec
Ramda merge	1803106.0 Ops/sec

HTML Preparation code:

<script type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js'></script>
<script type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js'></script>
<script type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

Object.assign
var params = { a: "hello", b: true, c: 7 }; var other = Object.assign({}, { b: false, d: [ 1,2 ] }, params);
jQuery extend
var params = { a: "hello", b: true, c: 7 }; var other = $.extend({}, { b: false, d: [ 1,2 ] }, params);
Immutable merge
var params = Immutable.fromJS({ a: "hello", b: true, c: 7 }); var other = params.merge({ b: false, d: [ 1,2 ] });
Ramda merge
var params = { a: "hello", b: true, c: 7 }; var other = R.merge({ b: false, d: [ 1,2 ] }, params);

Run results for: Object merge vs library merge TomekTest

Object.assign

jQuery extend

Immutable merge

Ramda merge