Run results for: Performance of Object.values(obj) vs_.values() vs for...in to extract values from an objects

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Object.values(obj)

3K/s

for...in

3K/s

_.values(obj)

2K/s

View exact numbers

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>

Script Preparation code:

function extractValues(obj) {
   const t = [];
   for(var key in obj) { t.push(obj[key]); }
   return t;
}

Tests:

Object.values(obj)
const testObject = Object.fromEntries( Array.from({ length: 1000 }, (_, i) => [`key${i}`, i]) ); Object.values(testObject);
_.values(obj)
const testObject = Object.fromEntries( Array.from({ length: 1000 }, (_, i) => [`key${i}`, i]) ); _.values(testObject);
for...in
const testObject = Object.fromEntries( Array.from({ length: 1000 }, (_, i) => [`key${i}`, i]) ); extractValues(testObject);