Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Memoization + useCallback (II)

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object spread vs object assign immutable vs object assign mutate

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object assign mutate vs object assign new object

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Which comparison operator (> vs ===) is faster?

Is there a performance benefit to replacing > with ===?

Lodash difference vs filter and includes on large arrays

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Set add vs from array

Set add vs from array

querySelector vs getElementById (ehddud1006)

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Replace last item in array vs spread and splice

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Anonymous Functions Evaluations (IIFE)

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Memoization + useCallback

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group-by

Group arrays by object key

Object.entries vs Object.keys vs for..in

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Promise vs Async 2

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Promise vs Async

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Multiple replace calls vs string replace by regexp

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spread vs object assign new object

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Object vs Map 2022 new

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array find vs some in Array with Objects

Compare the new ES6 spread operator with the traditional concat() method

Lodash cloneDeep vs structuredClone with large object

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

MapvsObject-Get

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MapvsObject123456

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with loggingbut better

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typeof-not-undefined

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Array fill method vs for loop3

Array fill method vs for loop performance validation

Assignment vs Object.assign - corrected

compare assignment to object.assign