Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Function declaration vs Function expression in React v2

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Function declaration vs Function expression in React

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For in vs Object.*.forEach vs Object.values for loop cached

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Object Clone Lodash vs structuredClone

Compare performence for cloning an object in JS between lodash.clone and structuredClone

sma - doc or new

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sma - reduce - doc - new

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Array split, slice & join vs string substrings

This benchmarks test a scenario of splitting the first part of a dot "." separated string like domain names. For example: aaa.mysite.domain.com

ReduceSearchScore vs MapSearchScope1

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Sparse array vs Map for random access and iteration

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concat vs flat

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Lodash cloneDeep vs JSON Clone 12222

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lodash merge vs object.assign vs spread bis

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spread vs concat vs unshift @ 100k

spread vs concat vs unshift

Obj path vs variable fix

accessing by intermediate variable vs direct

merge arrays

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lodash vs plain vanilla js performance on countby vs foreach using set

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lodash vs plain vanilla js performance on countby

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Array fill method vs for loop 2D

Array fill method vs for loop performance validation

Lodash remove vs filter native larger array

Lodash remove vs filter native with a larger array to trigger more GC work

Object hasOwnProperty vs Set has

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concat 1 vs multiple

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Spread vs concat vs forEach array v1001

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Spread vs concat vs forEach array v1000

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Spread vs concat array v1000

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mutate Array

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