Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

for-in vs for object.keys keys

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for-in vs for object.keys

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Object vs Map lookup with string keys

Comparing the performance of lookups in large objects vs large maps when the keys are strings.

large array concat vs large array spread

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Deep Clone Performance - JSON vs Lodash vs Ramda vs Native2

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Deep Clone Performance - JSON vs Lodash vs Ramda vs Native1

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Array immutable union: lodash union vs ...new Set vs uniq

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array foreach vs loop

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React useCallback hook vs inline function with state react 17

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localstorage and jsonparse

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find vs some on 10,000 rows

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JS switch vs if/else if

Benchmark of the speed difference between using multiple IF statements and an open-ended IF/ELSE IF.

DataView vs Uint32Array

DataView vs Uint32Array

Array splice vs object re assign

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Object.keys vs lodash _.forEach

Also checking the .map method on the returned array.

Evaluate Destructuring vs Assignment3

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Evaluate Destructuring vs Assignment2

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Test Array manipulations

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Evaluate Destructuring vs Assignment

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undefined vs. typeof vs. in vs. hasOwnProperty 222

Object lookup performance

IndexOf vs Includes vs lodash includes on the arrays of strings

Banana

Evaluate Find vs Some

Comparing performance of: Find vs Some

Array push vs

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Ramda vs FxTS

This is a benchmark for describing lazy evaluation.

Lodash omit VS pick

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