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; rv:103.0) Gecko/20100101 Firefox/103.0

Browser: Firefox 103

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
lodash.each	6323.6 Ops/sec
lodash.map	3831.8 Ops/sec
Object.entries.map	1929.7 Ops/sec
vanilla for-loop w/ Object.entries	2178.6 Ops/sec
lodash.forEach	6337.7 Ops/sec
Object.values	26454.4 Ops/sec
Object.keys	2321.3 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]; }