Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Check first and last char loop charAt startsWith slice regex.test 2

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Check first and last char loop charAt startsWith slice regex.test

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Check first and last char charAt startsWith slice regex.test

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Trim regex string

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Get words ending in number

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this vs variable containing this

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regex vs filter

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void 0 vs undefined vs variable containing undefined

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Lodash isEqual test3123

Test on isEqual performance2

Lodash isEqual test3

Test on isEqual performance2

replace vs slice 2024

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structuredClone vs spread vs json stringify & parse

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split map reverse vs for unshift

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Reduce vs FromEntries vs for loop

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Object.defineProperties with getOwnPropertyDescriptors vs Object.assign vs Object spread

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JS array shallow copy and sort

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1htrghdr

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fetch vs jquery.getJson

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flatMap vs reduce vs loop filtering vs filter/map performance

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Bench fast-json-patch vs jsondiffpatch icl. Patching

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jquery.getJson vs fetch

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sort vs unshift2

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sort vs unshift

sort vs unshift

Dynamic class vs object

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let and return vs IIFE

Designed to measure the performance of a workaround where an IIFE is used to eliminate let and return statements, which makes the function shorter.