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

Run details:

User agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Browser: IE 9

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
value == null	6107101.0 Ops/sec
value == undefined	4599367.0 Ops/sec
value === null	6085692.0 Ops/sec
value === undefined	4648882.0 Ops/sec
value === null \|\| value === undefined	3083022.8 Ops/sec
_.isNil(value)	2639255.8 Ops/sec
value != null	6048082.0 Ops/sec
value != undefined	4357249.0 Ops/sec
value !== null	6026892.0 Ops/sec
value !== undefined	4625239.5 Ops/sec
value !== null && value !== undefined	2964402.5 Ops/sec
!_.isNil(value)	2607528.5 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)

;