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

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.

Date tested: 5 years ago

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0

Test name	Executions per second
Object.values(obj)	7888071.0 Ops/sec
_.values(obj)	2390112.0 Ops/sec
for...in	17864430.0 Ops/sec

Benchmark definition (click to collapse):

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);

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