Run results for: Performance of Object.values(obj) vs_.values() vs for...in to extract values from an object with 1000 entries-3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36

Browser: Chrome 84

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Object.values(obj)	21060.3 Ops/sec
_.values(obj)	12955.6 Ops/sec
for...in	11866.5 Ops/sec
Object.keys(obj).map(key => obj[key])	13446.3 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 i; var a = {}; for (i = 0; i < 1000; i++) { a[i + ""] = i + "text"; } Object.values(a);
_.values(obj)
var i; var a = {}; for (i = 0; i < 1000; i++) { a[i + ""] = i + "text"; } _.values(a);
for...in
var i; var a = {}; for (i = 0; i < 1000; i++) { a[i + ""] = i + "text"; } extractValues(a);
Object.keys(obj).map(key => obj[key])
var i; var a = {}; for (i = 0; i < 1000; i++) { a[i + ""] = i + "text"; } Object.keys(a).map(key => a[key]);