Run results for: Object.fromEntries vs mapValues

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
fromEntries	1617.8 Ops/sec
mapValues	3717.6 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

var data = { ...Array.from(Array(10000).keys()) };

Tests:

fromEntries
Object.fromEntries( Object.entries(data).map( ([key, value]) => ([key, {...value, test: value + 1 }]) ) )
mapValues
_.mapValues(data, (value) => ({ ...value, test: value + 1 }))