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Run results for:
Object.assign vs spread vs Immutable.js operator for settting values
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=510907" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Object.assign
10986085.0 Ops/sec
spread operator
20320252.0 Ops/sec
jQuery extend
8984110.0 Ops/sec
Immutable merge
3680792.2 Ops/sec
HTML Preparation code:
<script src="https://code.jquery.com/jquery-3.4.1.min.js" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.js" crossorigin="anonymous"></script>
Script Preparation code:
var params = { b:"hello", c: true, d:7 }; var immutable_params = Immutable.Record(params)()
Tests:
Object.assign
var other = Object.assign({ b:"world", c: false, d:2 }, params);
spread operator
var other = { b:"world", c: false, d:2, ...params };
jQuery extend
var other = $.extend({ b:"world", c: false, d:2 }, params);
Immutable merge
var other = immutable_params.merge({ b:"world", c: false, d:2 });