Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

querySelectorAll data attribute vs class name vs combined - another

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querySelectorAll data attribute vs class name vs combined [2]

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crypto.randomUUID() vs crypto.getRandomValues()

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PIMEc TEST

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JS equality vs strict equality

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python len vs cache

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flatMap vs reduce with spread vs reduce with concat

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Array checking: isArray vs val.with

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Array isArray vs typeof (negative case)

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JS 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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