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

Compare comparison with null or undefined. With typeof (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: 9 months ago by: Guest

Jump to the latest result

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
typeof 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
typeof 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: 8 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36

Browser/OS: Chrome 118 on Linux

View result in a separate tab

Test name	Executions per second
value == null	11302200.0 Ops/sec
value == undefined	11262910.0 Ops/sec
value === null	11257610.0 Ops/sec
value === undefined	3906273.0 Ops/sec
value === null \|\| value === undefined	2896185.0 Ops/sec
_.isNil(value)	3814303.0 Ops/sec
value != null	11328180.0 Ops/sec
value != undefined	11185610.0 Ops/sec
value !== null	11271580.0 Ops/sec
value !== undefined	3950024.0 Ops/sec
value !== null && value !== undefined	2939169.0 Ops/sec
!_.isNil(value)	3801553.0 Ops/sec