Run results for: Object clone perfromace

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Object.assign

43.7M/s

jQuery.extend

3.5M/s

JSON stringify and parse

2.8M/s

structuredClone

978K/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);