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

11.4M/s

value == null

11.3M/s

value !== null

11.1M/s

value === null

11.1M/s

value == undefined

3.8M/s

value === undefined

3.8M/s

value !== undefined

3.8M/s

value != undefined

3.8M/s

!_.isNil(value)

3.7M/s

_.isNil(value)

3.7M/s

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

3.0M/s

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

3.0M/s

View exact numbers

Test name	Executions per second
✓ value != null	11,438,122 Ops/sec
value == null	11,318,887 Ops/sec
value !== null	11,119,456 Ops/sec
value === null	11,066,304 Ops/sec
value == undefined	3,838,920 Ops/sec
value === undefined	3,835,716 Ops/sec
value !== undefined	3,813,649 Ops/sec
value != undefined	3,807,542 Ops/sec
!_.isNil(value)	3,743,408 Ops/sec
_.isNil(value)	3,701,020 Ops/sec
value === null \|\| value === undefined	3,015,833 Ops/sec
value !== null && value !== undefined	2,950,453 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)