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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
value == null	777752000.0 Ops/sec
value == undefined	769736000.0 Ops/sec
value === null	711358656.0 Ops/sec
value === undefined	672205632.0 Ops/sec
value === null \|\| value === undefined	484910112.0 Ops/sec
_.isNil(value)	734219392.0 Ops/sec
value != null	634162112.0 Ops/sec
value != undefined	711474496.0 Ops/sec
value !== null	724629440.0 Ops/sec
value !== undefined	704603776.0 Ops/sec
value !== null && value !== undefined	486677632.0 Ops/sec
!_.isNil(value)	659017920.0 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)

;