Run results for: Compare comparison with null or undefined - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

value != null

16.3M/s

value !== null

15.2M/s

value === null

14.9M/s

value == null

12.2M/s

value !== undefined

8.4M/s

value === undefined

7.7M/s

!_.isNil(value)

7.4M/s

value == undefined

6.5M/s

value !== null && value !== undefined

5.4M/s

value != undefined

5.1M/s

value === null || value === undefined

4.5M/s

_.isNil(value)

4.4M/s

View exact numbers

Test name	Executions per second
✓ value != null	16,315,243 Ops/sec
value !== null	15,236,425 Ops/sec
value === null	14,899,931 Ops/sec
value == null	12,202,979 Ops/sec
value !== undefined	8,354,288 Ops/sec
value === undefined	7,715,985 Ops/sec
!_.isNil(value)	7,416,670 Ops/sec
value == undefined	6,526,087 Ops/sec
value !== null && value !== undefined	5,394,280 Ops/sec
value != undefined	5,079,478 Ops/sec
value === null \|\| value === undefined	4,469,180 Ops/sec
_.isNil(value)	4,408,361 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.min.js"></script>

Script Preparation code:

var value = { a: 123 }

Tests:

value == null
value == null
value == undefined
value == undefined
value === null
value === null
value === undefined
value === undefined
value === null || value === undefined
value === null || value === undefined
_.isNil(value)
_.isNil(value)
value != null
value != null
value != undefined
value != undefined
value !== null
value !== null
value !== undefined
value !== undefined
value !== null && value !== undefined
value !== null && value !== undefined
!_.isNil(value)
!_.isNil(value)