Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Number + String vs String + String

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Tagsads

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lodash groupBy vs Array.reduce vs Array.group 100k

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cloneDeep vs structuredClone

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requests2

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requests

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isUndefined

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Access to Proxy vs Object Another one, nother one

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Access to Proxy vs Object Another one

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duplication resolution 4

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duplication resolution 3

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duplication resolution 2

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duplication resolution

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native findIndex vs lodash findIndex vs lodash find using startFrom

Compare performance of native [].findIndex and _.findIndex and _.find

Replace vs ReplaceAll - TEST

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nazaki3

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My first test

speed test

Array loop vs foreach vs map v2

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slice vs split

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Array looping v2

Finding out the fastest way to loop through an array

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

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

=== vs ^

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Array push / includes VS Set.add / has

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asdffds

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Lodash cloneDeep vs structuredClone vs JSON Stringify/Parse

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