Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

joins prescreening details

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Write Float64Array by index vs Array by index vs Array by push

Test initializing a typed array by index vs generic array by push.

Write Float64Array index vs Array push

Test initializing a typed array by index vs generic array by push.

push VS destructuration

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Speed Test : _.each vs forEach

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Speed Test : _.filter vs array filter

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find index range in array

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find range in array

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Object.create(null)

- Object.create(null) - {} - new Object()

Array.forEach vs Object.keys().forEach

If I have an array, is it faster to use Array.forEach or Object.keys().forEach?

`${num}` vs ""+number vs .toString()

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Speed Test index

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Create new

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JavaScript spread operator vs Object.assign performance vs Loop

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template vs imperative 2

compare speed

reduce vs foreach with destructuring fork

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Reduce vs Flatmap 10000 items real

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Reduce vs Flatmap 10000 items

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template vs imperative

test the speed of 2 mthods

Reduce vs Flatmap

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Object.entries VS Object.values Perf

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Lodash vs. Set Intersection Test Drive

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JS find vs indexOf vs includes

JS find vs indexOf

Bad await use

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Try/catch performance (JSON parse): Improved

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