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

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0

Browser: Firefox Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

value === null

395.2M/s

value == null

395.0M/s

value !== null

394.6M/s

value != null

394.3M/s

value == undefined

393.4M/s

value != undefined

393.3M/s

value !== undefined

393.2M/s

_.isNil(value)

392.8M/s

value === undefined

392.6M/s

!_.isNil(value)

392.3M/s

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

314.5M/s

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

314.1M/s

View exact numbers

Test name	Executions per second
✓ value === null	395,240,672 Ops/sec
value == null	394,961,408 Ops/sec
value !== null	394,551,392 Ops/sec
value != null	394,299,680 Ops/sec
value == undefined	393,351,648 Ops/sec
value != undefined	393,344,128 Ops/sec
value !== undefined	393,158,240 Ops/sec
_.isNil(value)	392,791,744 Ops/sec
value === undefined	392,592,992 Ops/sec
!_.isNil(value)	392,253,920 Ops/sec
value === null \|\| value === undefined	314,505,888 Ops/sec
value !== null && value !== undefined	314,126,752 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)