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/90.0.4430.212 Safari/537.36

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
value == null	11278625.0 Ops/sec
value == undefined	4069875.2 Ops/sec
value === null	11186549.0 Ops/sec
value === undefined	4108243.0 Ops/sec
value === null \|\| value === undefined	3034023.0 Ops/sec
_.isNil(value)	3990772.8 Ops/sec
value != null	11218684.0 Ops/sec
value != undefined	4062415.5 Ops/sec
value !== null	11198792.0 Ops/sec
value !== undefined	4144060.0 Ops/sec
value !== null && value !== undefined	3016854.8 Ops/sec
!_.isNil(value)	4007696.2 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)

;