Run results for: lodash merge vs object.assign vs spread overwriting one property

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

HTML Preparation code:

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

​x
 
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<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 c = _.merge({a:true}, a);
var a = { a: 'oh', b: 'my' };
var c = _.merge({a:true}, a);
object.assign
var a = { a: 'oh', b: 'my' }; var c = Object.assign({a:true}, a);
var a = { a: 'oh', b: 'my' };
var c = Object.assign({a:true}, a);

var a = { a: 'oh', b: 'my' };
var c = { a:true, ...a };

 
var a = { a: 'oh', b: 'my' };var c = { a:true, ...a };