Run results for: Loop over object: lodash vs Object.entries vs Object.keys vs Object.values

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Object.values

61K/s

lodash.map

9K/s

lodash.forEach

9K/s

lodash.each

9K/s

Object.keys

8K/s

vanilla for-loop w/ Object.entries

5K/s

Object.entries.map

4K/s

View exact numbers

Test name	Executions per second
✓ Object.values	60,711 Ops/sec
lodash.map	9,063 Ops/sec
lodash.forEach	9,049 Ops/sec
lodash.each	9,003 Ops/sec
Object.keys	7,759 Ops/sec
vanilla for-loop w/ Object.entries	4,973 Ops/sec
Object.entries.map	4,300 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>

Script Preparation code:

var obj = Array.from({ length: 10000 }).map((value, i) => i).reduce((val, v) => { val[v] = v; return val; }, {})

Tests:

lodash.each
_.each(obj, function(v, k) {})
lodash.map
_.map(obj, function(v, k) {})
Object.entries.map
Object.entries(obj).map(function([k, v]) {})
vanilla for-loop w/ Object.entries
const entries = Object.entries(obj); for (let i = 0; i < entries.length; i++) { const [k, v] = entries[i]; }
lodash.forEach
_.forEach(obj, function(v, k) {})
Object.values
const entries = Object.values(obj); for (let i = 0; i < entries.length; i++) { const v = entries[i]; }
Object.keys
const entries = Object.keys(obj); for (let i = 0; i < entries.length; i++) { const [k, v] = entries[i]; }