Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Parse number to bigint

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Array concat vs spread operator vs push - fork

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

replaceAll vs regex replace g

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Dedup Array of Objects (4 strats)

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Set vs Filter for unique (Array of Objects)

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reduceArrayOfObject

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Custom

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JavaScript spread operator vs Object.assign performance (bigger objects)

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Memory check

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Set.has vs Array.includes for small number of items

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array.toSorted vs array.sort

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JavaScript spread operator vs object update performance 2

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for vs foreach vs for..of vs for..of over large entries 2

Compare loop performance

for vs foreach vs for..of vs for..of over large entries

Compare loop performance

Performance of JavaScript .forEach vs for in 3

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Performance of JavaScript .forEach vs for in 2

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Performance of JavaScript .forEach vs for in

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Includes vs startsWith speed test

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useCallback hook vs inline function in React 18

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moment clone vs new date

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new Date().toISOString() vs moment.utc().toISOString();

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jQuery versions through 4.00b2

benchmark different versions of jquery

jQuery versions through 371

benchmark different versions of jquery

Object.values() vs Array.from(Map.values())

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Direct calls versus external function calls

Compares doing little tasks immediately versus writing a helper function that does it.