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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36

Browser: Chrome 84

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
indexOf !==	54458888.0 Ops/sec
filter length > 0	25565680.0 Ops/sec
find !== undefined	5457225.0 Ops/sec
some	138531024.0 Ops/sec
! every	137992576.0 Ops/sec
lastIndexOf !== -1	20325306.0 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