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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:66.0) Gecko/20100101 Firefox/66.0

Browser: Firefox 66

Operating system: Mac OS X 10.13

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
_.values	2336495.0 Ops/sec
Object values	10145500.0 Ops/sec
proposal-object-values-entries/polyfill.js	20998540.0 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 forEach = Function.bind.call(Function.call, Array.prototype.forEach);
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) {
  		const values = [];
  		for(val in O) values.push(val);
  		return values;
	};
}
</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 improved polyfill

_.values

Object values

proposal-object-values-entries/polyfill.js