Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

caching basic arithmetic

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Slice vs spread array of objects

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anti-gc in for loops

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arr unshift vs push + reverse

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object spread vs immutable-js set vs native Map copy

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Array.prototype.slice vs spread operator on a bigger array

Compare the new ES6 spread operator with the traditional slice() method on a bigger array.

at 500 vs [500]

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Lodash cloneDeep vs customize cloneDeep vs structuredClone

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Lodash cloneDeep vs custom cloneDeep vs structuredClone

compare array copy/clone methods

Lodash cloneDeep vs native cloneDeep vs structuredClone

compare array copy/clone methods

ResizeObserver vs matchMedia (5)

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ResizeObserver vs matchMedia (1)

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ResizeObserver vs matchMedia v1

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JS getElementsByClassName vs querySelectorAll

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reduce vs map/filter vs for

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reduce vs map/filter 3 items

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reduce vs map/filter with more items

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reduce vs map/filter

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mapvsforEach

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123454

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test 1234

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test keys 1234

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Array.includes vs OR operator

Array.includes may be more readable, but is it more performant?

endsWith vs Regex for lowcodeapp

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Map (Native vs Ramda vs Lodash vs Lodash/fp vs Immutable vs pre-curried vs pre-immuted)

measures the speed of ramda's map vs Array's native map vs lodash map vs Immutable map