Run results for: Lodash isPlainObject vs JS Constructor Check (with more cases)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash isPlainObject	697345.1 Ops/sec
JS Type Check	1213851.2 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>

Script Preparation code:

var sampleObject = {
        "id": "0001",
        "type": "donut",
        "name": "Cake",
        "ppu": 0.55
    };
var sampleObject2 = Object.create(null);
var sampleObject3 = null;
var sampleObject4 = 100;

class Foo {
  constructor() {
    this.a = 1;
  }
}

var sampleObject5 = new Foo();

function isObject(any) {
return
(
        any != null &&
        (any.constructor === Object ||
            (typeof any === 'object' && Object.getPrototypeOf(any) === null))
    )
}

Tests:

Lodash isPlainObject
_.isPlainObject(sampleObject); _.isPlainObject(sampleObject2); _.isPlainObject(sampleObject3); _.isPlainObject(sampleObject4); _.isPlainObject(sampleObject5);
JS Type Check
isObject(sampleObject); isObject(sampleObject2); isObject(sampleObject3); isObject(sampleObject4); isObject(sampleObject5);

Run results for: Lodash isPlainObject vs JS Constructor Check (with more cases)

Lodash isPlainObject

JS Type Check