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/80.0.3987.149 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
value == null	8865328.0 Ops/sec
value == undefined	2755654.0 Ops/sec
value === null	8909463.0 Ops/sec
value === undefined	2756455.5 Ops/sec
value === null \|\| value === undefined	2023034.2 Ops/sec
_.isNil(value)	2741322.2 Ops/sec
value != null	8880043.0 Ops/sec
value != undefined	2721991.0 Ops/sec
value !== null	8860071.0 Ops/sec
value !== undefined	2712700.8 Ops/sec
value !== null && value !== undefined	2008670.6 Ops/sec
!_.isNil(value)	2781063.2 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)

;