Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Switch vs Object Literal - testing with stable input

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Array deconstruction vs array push

Shows the decremental performance when unnecessarily recreating an array when pushing new items to it.

Foreach vs for-in vs for-of vs for

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for vs foreach vs for..of vs for..of over entries (const)

Compare loop performance

Number constructor vs double tilde

Number() vs ~~

Double for vs Object.values.flat

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Array filter versus for loop

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array[array.length - 1] vs array.at(-1)

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one loop with 10 operations or 10 loops with 1 operation

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Math max or ternary operator

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Half loop and double iteration ops

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Unique lodash vs vanilla

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findIndex vs indexOf - JavaScript performancedsadsadas

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find index range in array2

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find index range in array1

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Array of objects property extraction

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SSSSSSSSS

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Map vs Object 10k iterations

Lookup of map vs object

Simple filter sort vs reduce

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fill vs push multiple small

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fill vs push multiple

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fill vs push

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lodash sortBy vs native sortBy 4.17.21

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Array from() vs Map.keys() vs Map.values() vs spread (fixed)

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Array from() vs Map.keys() vs Map.values() vs spread

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