Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

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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Random tes 1234567

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Number.toLocaleString vs Intl.NumberFormat (single)

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Number.toLocaleString vs Intl.NumberFormat single instance 2

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Number.toLocaleString vs Intl.NumberFormat single instance

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Create template vs regex

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Number to String: toString() vs String() vs + "" (bigger numbers)

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Lodash merge vs Deepmerge

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Spread vs FlatMap w/40K data

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