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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:48.0) Gecko/20100101 Firefox/48.0

Browser: Firefox 48

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
value == null	360702800.0 Ops/sec
value == undefined	178538000.0 Ops/sec
value === null	361207200.0 Ops/sec
value === undefined	177550200.0 Ops/sec
value === null \|\| value === undefined	131702100.0 Ops/sec
_.isNil(value)	132202200.0 Ops/sec
value != null	327949500.0 Ops/sec
value != undefined	175174700.0 Ops/sec
value !== null	331219400.0 Ops/sec
value !== undefined	178023500.0 Ops/sec
value !== null && value !== undefined	130833700.0 Ops/sec
!_.isNil(value)	128645700.0 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)