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

Compare performance between the native Object.values(obj) function vs the lodash _.values() option and a function that extracts the values of an object using a for...in loop.

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/96.0.4664.53 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 96

Operating system: iOS 15.6

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Object.values(obj)	3692635.8 Ops/sec
_.values(obj)	3933171.5 Ops/sec
for...in	10030227.0 Ops/sec

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)
var a = { a: 1, b: 2, c: 3}; Object.values(a);
_.values(obj)
var a = { a: 1, b: 2, c: 3}; _.values(a);
for...in
var a = { a: 1, b: 2, c: 3}; extractValues(a);

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

Compare performance between the native Object.values(obj) function vs the lodash _.values() option and a function that extracts the values of an object using a for...in loop.

Object.values(obj)

_.values(obj)

for...in