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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 11.0.1

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
value == null	14509780.0 Ops/sec
value == undefined	5275574.0 Ops/sec
value === null	14339260.0 Ops/sec
value === undefined	5298486.0 Ops/sec
value === null \|\| value === undefined	3945579.0 Ops/sec
_.isNil(value)	4923809.0 Ops/sec
value != null	14499550.0 Ops/sec
value != undefined	5171255.0 Ops/sec
value !== null	14486690.0 Ops/sec
value !== undefined	5312081.0 Ops/sec
value !== null && value !== undefined	3956285.0 Ops/sec
!_.isNil(value)	4876124.0 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)