Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

array operations vs generators vs for loop

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filter map vs for loop

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array.forEach vs for..of vs for loop

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Fastest way to check if object is empty (3)

You don't need to make add for loops in your test scenarios, the benchmark does it itself.

startsWith vs include vs substring vs Array.from

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Sanitize

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Remove duplicate objects by a property

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Object.fromEntries vs reduce - 100 keys

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iife operator speed

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Delete vs set undefined for Object field

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canvas drawing images 2

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array vs Float32Array

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canvas drawing images

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Object vs Array speed (contiguous v2)

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Object vs Array speed (contiguous)

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Object Literal vs Prepared Array

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Keep a number between boundaries: Math Min+Max vs Ifs (fixed)

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Keep a number between boundaries: Math Min+Max vs Ifs

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innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement 2025

innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement

Array.from vs RegExp.match(/[\s\S]/gu)

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Multiplication vs Math.exp

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undefined vs. typeof vs. in vs. hasOwn

Object lookup performance

Array.isArray(array) vs. typeof string

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head or pockets

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Random tes 12345678

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