Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Array .push() vs .unshift()

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Benchmark GTM

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Spread vs Object.assign mutate

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Regex vs Native

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validate user agent

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forEach vs filter nvmnghia 1812

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Concat vs spread [...Arr1, ...Arr2] for large arrays

Comparing the various ways to append to a large array

Array vs TypedArray write performance ttttttt

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Array vs TypedArray write performance %%%%%%%%%%%%

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forEach vs for len vs for of

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Map clear vs new map

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lodash cloneDeep vs JSON stringify/parse 2

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Lodash Deep Copy3

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Lodash Deep Copy2

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Lodash Deep Copy

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Object.hasOwn vs Object.prototype.hasOwnProperty

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For vs For Of vs Filter+Map vs FlatMap

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cached Number.toLocaleString vs Intl.NumberFormat vs Regex

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Create new set vs clear existing set

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Object.hasOwnProperty vs in

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Object.fromEntries vs lodash fromPairs vs Object.assign vs Object spread with custom func

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Object.fromEntries vs lodash fromPairs vs Object.assign vs Object spread

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Object.fromEntries vs lodash fromPairs vs Object.assign

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String.prototype.includes() vs String.prototype.indexOf() vs RegExp.prototype.test()

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fragment append vs prepend

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