Run results for: JavaScript spread operator vs Object.assign vs Lodash.clone(4.17.15)

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; SAMSUNG SM-G955F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/11.1 Chrome/75.0.3770.143 Mobile Safari/537.36

Browser: Chrome Mobile 75

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
Using the spread operator	13307156.0 Ops/sec
Using Object.assign	1630619.5 Ops/sec
Using lodash.clone	559713.7 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js'></script>

Tests:

Using the spread operator
const firstObject = { sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = { ...firstObject };
Using Object.assign
const firstObject = { sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = Object.assign(firstObject);
Using lodash.clone
const firstObject = { sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = _.clone(firstObject);

Run results for: JavaScript spread operator vs Object.assign vs Lodash.clone(4.17.15)

Using the spread operator

Using Object.assign

Using lodash.clone