Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

RegEx.test vs. String.includes vs. String.match vs == .slice

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Classnames vs CLSX vs Template Literals 2/28/2023

Compare CLSX vs Classnames vs an own implementation of creating a template string

Small n set vs array

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for-loop vs for-of perf test

Checking to see the performance differences of for-loop vs for-of

Javascript Split vs Regex

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Single append vs multiple appendChild for large number of nodes

Just how bad is appendChild compared to append, anyway?

for-noop vs flatMap

Comparing performance of: for-noop vs flatMap

RegEx.test vs. String.includes vs. String.match vs String.match(regex) for starting string

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addEventListener('resize') with debounce + innerWidth VS matchMedia() + matchMedia.addListener()

This benchmark compares using `addEventListener('resize')` with window.innerWidth versus window.matchMedia with it's`addListener()` function to see which is faster.

RegEx.test vs. String.includes vs. String.match (long)

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Cash 6 vs Umbrella

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getOwnPropertyNames vs Object.keys vs for ... in

yeah

Javascript: toLowerCase vs equality ===

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javascript concat vs spread operator vs push3

javascript concat vs spread operator vs push

Arrow function vs normal function vs function declaration comparison

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array findindex vs any

if does not exists

Math.max.apply() vs Array.reduce()

Compare speed of Math.max() vs Array.reduce().

startswith vs includes vs indexOf (leading part of string)

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lodash uniqueId vs crypto.randomUUID

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Array.isArray vs truthy

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display: none vs content-visibility: hidden

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Map vs Object read performance for a 1000 key lookup

Lookup of map vs object

Date.parse vs string date comparsion

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JSON.stringify() vs interpolation

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array includes vs object[key] vs key in object

Performance test on array.includes, object[key] accessor and key in object check

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