Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Number format

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Replace Comparison

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Uppercase first letter

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NodeList vs Array iterator

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Fastest iteration over array: map vs forEeach vs while vs for loop (fixed)

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Object.entries + reduce VS Object.keys + forEach

Iterate over object keys & values

string concatenation vs template

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for in vs iterate over keys

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js math vs toLocaleString

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copyWithin: is it fast in Uint32Array

Comparing the performance between iteration and copyWithin in Uint32Array

replaceAll vs regex replace . with ,

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local vs global regex performance in js functions (v2)

Do regular expressions become faster in javascript, when we put them in the global scope, or doesn't it matter when we declare them directly in a function?

ES6 property get & getter function & direct access to object attribute

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object property lookup: in operator vs undefined comparison

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Find Keys by loop or JSON stringify

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Array vs Linked List with shift

Compare performance of Array vs Linked List with both shift and unshift

Ramda vs native map speed vs for loop

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Ramda vs native map speed

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clientHeight vs offsetHeight vs getComputedStyle

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pow vs exponentiation

Math.pow vs **

Array.includes vs Regex.test

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querySelectorAll data attribute vs class name vs combined

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flatMap() vs filter().map() vs map().filter(Boolean)

flatMap vs filter map

test date offset

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_.compact vs filter(Boolean) vs filter(element => element)

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