Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Map vs Object with 100 keys and 1/5 delete on new item

Lookup of map vs object

Map vs Object with 100 keys and 1/2 delete

Lookup of map vs object

Map vs Object with 100 keys and mutate

Lookup of map vs object

Map vs Object with 100 keys

Lookup of map vs object

string cast vs template literal cast

cast to string or template literal wrapping

compare .map with for...of

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Find vs Set

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for, for-of, forEach

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for vs for-of vs forEach

Test speed of iterating over an array

[MV] Object.keys() vs Object.values()

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g54g45f45

find best solution for concatenate 4 strings

sessionStorage vs top.name

top.name has the same lifetime as sessionStorage

Array.includes vs Set.has small

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Str concat vs Array join to put strings together

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removeChild (first/last) vs removeElementChild (first/last) !!!

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testing different solutions with objects in reduce

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Splice vs Filter 2

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Replace regex vs replaceAll

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structuredClone test boop

compare array copy/clone methods sdfewfe

forEach vs map vs for

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crypto vs random

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dates.map(() => crypto.randomUUID())

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Performance Test: substr vs substr_indexOf vs slice vs split

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Access to Proxy vs Object II

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dedupe

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