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/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

value == null

15.2M/s

value === null

15.1M/s

value != null

15.0M/s

value !== null

14.9M/s

value != undefined

6.0M/s

value !== undefined

6.0M/s

value == undefined

6.0M/s

value === undefined

5.9M/s

!_.isNil(value)

5.8M/s

_.isNil(value)

5.7M/s

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

4.5M/s

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

4.4M/s

View exact numbers

Test name	Executions per second
✓ value == null	15,186,971 Ops/sec
value === null	15,125,509 Ops/sec
value != null	15,039,897 Ops/sec
value !== null	14,866,470 Ops/sec
value != undefined	6,031,553 Ops/sec
value !== undefined	6,014,066 Ops/sec
value == undefined	5,990,145 Ops/sec
value === undefined	5,895,150 Ops/sec
!_.isNil(value)	5,753,311 Ops/sec
_.isNil(value)	5,717,650 Ops/sec
value !== null && value !== undefined	4,510,074 Ops/sec
value === null \|\| value === undefined	4,432,824 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)