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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
value == null	13642040.0 Ops/sec
value == undefined	4801687.0 Ops/sec
value === null	14455870.0 Ops/sec
value === undefined	4797041.0 Ops/sec
value === null \|\| value === undefined	3688388.0 Ops/sec
_.isNil(value)	4400786.0 Ops/sec
value != null	14247590.0 Ops/sec
value != undefined	4895284.0 Ops/sec
value !== null	14221600.0 Ops/sec
value !== undefined	4826396.0 Ops/sec
value !== null && value !== undefined	2944753.0 Ops/sec
!_.isNil(value)	4639117.0 Ops/sec

Website performance monitoring

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)