MeasureThat.net

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

Go to the benchmark
Run details:
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
Safari 15
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Lodash isPlainObject 697345.1 Ops/sec
JS Type Check 1213851.2 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>
Script Preparation code:
​x
 
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);