Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Lodash Uniq vs Javascript Set

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Mutable object reducer vs immutable object reducer

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getElementById vs querySelector

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Spread vs Object.assign

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IF or AND

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Array.reduce vs for loop vs Array.forEach

A test summing 1000 random numbers, 1 - 10000

Object.assign vs. JSON String/Parse

Creating a "new" object reference every time

indexOf vs map

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indexOf vs map

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Recursion vs Iteration

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loop count

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reduce vs for loop

A test summing 1000 random numbers

Array.indexOf vs String.indexOf vs Object lookup

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Array.indexOf vs String.indexOf

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Add Class to existing className vs. setAttribute vs. classList

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If statements vs zero multiplication and assignment

Is it faster to check if a numeric calculation needs to be performed and assigned to an object property, or just do the calculation against zero and assign it anyway.

Bitwise vs String feature flags

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Canvas Performance Test

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Setting Canvas Pixel

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String concatenation vs array join

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console.log

console.log

replaceAll vs regex replace

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Bind vs arrow

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Bind vs arrow

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parseint lodash vs native

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