Benchmark: Compare comparison with null or undefined - MeasureThat.net

Compare comparison with null or undefined (version: 0)

Comparing performance of: value == null vs value == undefined vs value === null vs value === undefined vs value === null || value === undefined vs _.isNil(value) vs value != null vs value != undefined vs value !== null vs value !== undefined vs value !== null && value !== undefined vs !_.isNil(value)

Created: 4 years ago by: Registered User

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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)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
value == null
value == undefined
value === null
value === undefined
value === null \|\| value === undefined
_.isNil(value)
value != null
value != undefined
value !== null
value !== undefined
value !== null && value !== undefined
!_.isNil(value)

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser/OS: Chrome 121 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
value == null	31685320.0 Ops/sec
value == undefined	12424170.0 Ops/sec
value === null	31737150.0 Ops/sec
value === undefined	12423850.0 Ops/sec
value === null \|\| value === undefined	9345016.0 Ops/sec
_.isNil(value)	12069290.0 Ops/sec
value != null	31686070.0 Ops/sec
value != undefined	12315400.0 Ops/sec
value !== null	31570580.0 Ops/sec
value !== undefined	12405750.0 Ops/sec
value !== null && value !== undefined	9331679.0 Ops/sec
!_.isNil(value)	12079460.0 Ops/sec