Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Math.min vs inline comparison

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Map.keys() + Map.get() vs. Map.forEach() vs. Map.entries()

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Map.entries() vs. Map.forEach() vs. Map.keys() + Map.get()

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for loop vs. .map (6/17/2026)

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Array vs TypedArray

Array vs TypedArray

copy typed array with Array.from() vs new Array()

Testing the difference between creating filled arrays.

Map perf has vs get test

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Javascript recursiveDeepCopy Vs. Object.Assign

Comparing a deep copy function to assign for shallow copies.

Lodash partition VS native reduce without cloning array

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temporal vs luxon

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JS loops and iterators + reverse

Comparing speed of JavaScript loops

RegEx.test vs. String.includes multiple words 2

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RegEx.test vs. String.includes multiple words

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Number() vs parseInt() from string

VS

Regex vs split / join

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has vs includes vs convert

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Walk dates of a year

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create a specific Date object vs modifying an existing one

How expensive is creation of a Date instance.

create a new Date object vs modifing an existing one

How expensive is creation of a Date instance.

Quaternion from axis-angle

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Some vs Find (40k dataset)

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return vs throw-catch

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Pushing onto an array in a loop vs pushing with the spread operator

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sort sorted

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constant callback vs fill

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