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

394.7M/s

value == undefined

393.8M/s

value === null

393.7M/s

value !== undefined

393.7M/s

!_.isNil(value)

393.2M/s

value != undefined

393.1M/s

value === undefined

392.6M/s

_.isNil(value)

392.0M/s

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

314.4M/s

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

313.9M/s

View exact numbers

Test name	Executions per second
✓ value == null	395,227,520 Ops/sec
value != null	394,992,800 Ops/sec
value !== null	394,662,336 Ops/sec
value == undefined	393,842,656 Ops/sec
value === null	393,691,552 Ops/sec
value !== undefined	393,690,720 Ops/sec
!_.isNil(value)	393,182,240 Ops/sec
value != undefined	393,112,928 Ops/sec
value === undefined	392,634,240 Ops/sec
_.isNil(value)	392,048,928 Ops/sec
value !== null && value !== undefined	314,363,008 Ops/sec
value === null \|\| value === undefined	313,929,184 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)