Run results for: spread vs assign vs _.merge

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:67.0) Gecko/20100101 Firefox/67.0

Browser: Firefox 67

Operating system: Mac OS X 10.12

Device Platform: Desktop

Date tested: 5 years ago

HTML Preparation code:

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

Tests:

lodash merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.merge(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 };