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

Compare comparison with null or undefined (updated) (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) vs !value

Created: one year 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
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)
!value
!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)
!value

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser/OS: Chrome 117 on Linux

View result in a separate tab

Test name	Executions per second
value == null	36594160.0 Ops/sec
value == undefined	12953930.0 Ops/sec
value === null	34819940.0 Ops/sec
value === undefined	12706710.0 Ops/sec
value === null \|\| value === undefined	9417480.0 Ops/sec
_.isNil(value)	11995520.0 Ops/sec
value != null	35126080.0 Ops/sec
value != undefined	12677000.0 Ops/sec
value !== null	35127710.0 Ops/sec
value !== undefined	12614380.0 Ops/sec
value !== null && value !== undefined	9342046.0 Ops/sec
!_.isNil(value)	11413090.0 Ops/sec
!value	35103500.0 Ops/sec