Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Group by single pass vs multiple

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Access to Proxy vs Object with getter v2

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sort vs reduce v3

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sort vs reduce v2

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Count matches using Array reduce vs Array filter

Check if it's faster to count matches in an array using Array.filter or Array.reduce

Includes vs has

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Lodash isEqual Array of Objects test

Test on isEqual performance for array of nested objects

window.getComputedStyle vs. clientHeight

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For... in vs Spread

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Exceptions + Try/Catch vs Result object

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IntToRGBA

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object spread vs immutable-js set vs immer 2

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lodash chunk vs splice

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foreach for vs promise.all for big arrays

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chunk or splice

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object spread vs immutable-js set vs immer

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object spread vs immutable-js set vs simmer

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Reflect.has vs Direct Check2

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Reflect.has vs Direct Check

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async function w/microtask vs sync function (with a little work)

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async function w/microtask vs sync function

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Ntcndfdf

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stringify vs join vs tostring (array of uuid)

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stringify vs join vs tostring

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querySelector vs Loop v6

If you have a large number of elements, is it faster to use querySelectorAll, or to iterate over an array?