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/87.0.4280.88 Safari/537.36 Edg/87.0.664.60

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
value == null	13712294.0 Ops/sec
value == undefined	4301580.5 Ops/sec
value === null	13870737.0 Ops/sec
value === undefined	4231713.5 Ops/sec
value === null \|\| value === undefined	3305145.2 Ops/sec
_.isNil(value)	4108031.5 Ops/sec
value != null	13442839.0 Ops/sec
value != undefined	4283578.0 Ops/sec
value !== null	13726259.0 Ops/sec
value !== undefined	4217864.0 Ops/sec
value !== null && value !== undefined	3289149.2 Ops/sec
!_.isNil(value)	4106623.8 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)