Run results for: Object values vs _.values vs polyfill vs map polyfill

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Object values

23.6M/s

polyfill with map

12.2M/s

_.values

5.1M/s

proposal-object-values-entries/polyfill.js

1.5M/s

View exact numbers

Test name	Executions per second
✓ Object values	23,584,346 Ops/sec
polyfill with map	12,231,244 Ops/sec
_.values	5,100,062 Ops/sec
proposal-object-values-entries/polyfill.js	1,486,865 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>
const reduce = Function.bind.call(Function.call, Array.prototype.reduce);
const isEnumerable = Function.bind.call(Function.call, Object.prototype.propertyIsEnumerable);
const concat = Function.bind.call(Function.call, Array.prototype.concat);
const keys = Reflect.ownKeys;
  
if (!Object.valuess) {
	Object.valuess = function values(O) {
		return reduce(keys(O), (v, k) => concat(v, typeof k === 'string' && isEnumerable(O, k) ? [O[k]] : []), []);
	};
}
if (!Object.valuesmap) {
	Object.valuesmap = function(obj) {return Object.keys(obj).map(function(e) {return obj[e];});};
}
</script>

Script Preparation code:

var a = { a: 1, b: 2, c: 3};

Tests:

_.values
_.values(a);
Object values
Object.values(a);
proposal-object-values-entries/polyfill.js
Object.valuess(a);
polyfill with map
Object.valuesmap(a);