Fastest way to check if array have an element returning true or false (2) (version: 0)

[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)

Comparing performance of: indexOf !== vs filter length > 0 vs find !== undefined vs some vs ! every vs lastIndexOf !== -1 vs includes

Created: 3 years ago by: Guest

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