Run results for: Object clone perfromace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Object.assign

14.6M/s

jQuery.extend

1.6M/s

JSON stringify and parse

1.1M/s

structuredClone

476K/s

View exact numbers

HTML Preparation code:

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

Tests:

Object.assign
var params = {a:"hello", b: true, c:7, d:{foo: "bar"} }; var other = Object.assign({}, params);
JSON stringify and parse
var params = {a:"hello", b: true, c:7, d:{foo: "bar"} }; var other = JSON.parse(JSON.stringify(params));
jQuery.extend
var params = {a:"hello", b: true, c:7, d:{foo: "bar"} }; var other = $.extend(true, {}, params);
structuredClone
var params = {a:"hello", b: true, c:7, d:{foo: "bar"} }; var other = structuredClone(params);