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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15G77

Browser: Mobile Safari 11

Operating system: iOS 11.4.1

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
_.values	860556.3 Ops/sec
Object values	2354460.0 Ops/sec
proposal-object-values-entries/polyfill.js	501336.0 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]] : []), []);
	};
}
</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);

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

_.values

Object values

proposal-object-values-entries/polyfill.js