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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2

Browser: Safari 5

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
value == null	14783857.0 Ops/sec
value == undefined	6022974.0 Ops/sec
value === null	11549179.0 Ops/sec
value === undefined	5909665.0 Ops/sec
value === null \|\| value === undefined	4472211.5 Ops/sec
_.isNil(value)	6446051.0 Ops/sec
value != null	14941534.0 Ops/sec
value != undefined	6097244.0 Ops/sec
value !== null	13465561.0 Ops/sec
value !== undefined	6395789.5 Ops/sec
value !== null && value !== undefined	5068010.0 Ops/sec
!_.isNil(value)	6299773.0 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)