Run results for: lodash assign vs object.assign vs spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.1; Mi Note 3 Build/NMF26X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.158 Mobile Safari/537.36

Browser: Chrome Mobile 66

Operating system: Android 7.1.1

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
lodash assign	857457.5 Ops/sec
object.assign	561694.7 Ops/sec
spread	305643.4 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

lodash assign
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.assign(a, b);
object.assign
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = Object.assign(a, b);
spread
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { ...a, ...b };