Run results for: Fastest way to check if array have an element returning true or false (2) - MeasureThat.net

Run results for: Fastest way to check if array have an element returning true or false (2)

[1,2, 3, 4, 5].indexOf(4) !== -1 [1,2, 3, 4, 5].filter(a=> a ===4).length > 0 [1,2, 3, 4, 5].find(a => a === 4) !== undefined [1,2, 3, 4, 5].some( a => a === 4) ![1,2, 3, 4, 5].every( a => a !== 4) [1,2, 3, 4, 5].lastIndexOf(4) !== -1 [1,2, 3, 4, 5].includes(4)

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Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36

Browser: Chrome 84

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
indexOf !==	81824208.0 Ops/sec
filter length > 0	27621836.0 Ops/sec
find !== undefined	5076108.5 Ops/sec
some	167872016.0 Ops/sec
! every	161710352.0 Ops/sec
lastIndexOf !== -1	48612192.0 Ops/sec
includes	776728896.0 Ops/sec

Tests:

indexOf !==
[1,2, 3, 4, 5].indexOf(4) !== -1
filter length > 0
[1,2, 3, 4, 5].filter(a=> a ===4).length > 0
find !== undefined
[1,2, 3, 4, 5].find(a => a === 4) !== undefined
some
[1,2, 3, 4, 5].some( a => a === 4)
! every
![1,2, 3, 4, 5].every( a => a !== 4)
lastIndexOf !== -1
[1,2, 3, 4, 5].lastIndexOf(4) !== -1
includes
[1,2, 3, 4, 5].includes(4)

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