Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

small Array vs TypedArray write performance

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JS Find vs FindIndex vs loop

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.test vs .startsWith

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Yield vs callback vs array

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querySelector vs getElementById + closest + querySelector

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startsWith vs === (v2)

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string slice vs index

Just testing the performance between slice and direct index based reading on a string

Object.fromEntries vs for...of vs for (C style)

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Object literal (eval JSON vs minified JS) vs JSON.parse

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for loops vs forEach test: call functions from new array with 4 items and increment number

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for loops vs forEach test: call functions from Object.values() with 4 items

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for loops vs forEach test: call functions from Map() value iterator with 4 items

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for loops vs forEach test: call functions from array with 4 items

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document.getElementById+querySelectorAll vs querySelectorAll

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typeof !== undefined vs truthy

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Object.fromEntries vs classic for (fixed: Object.fromEntries)

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convert list and set.has vs. array.includes vs array.indexOf (string values)

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forEach vs reduce vs whatever

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array direct vs generic call

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check property existence

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string includes case-insensitively

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stack unwinding

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multiply

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Ignore case regex pattern test vs string includes vs new regex test

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Longer regex test vs new regexp test vs string includes

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