Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Reading array length inside vs outside for loop

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DataView vs Uint8Array (read bytes)

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JS Date libraries 2

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delete test

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spread v assign

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for..in vs object.keys

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Map reduce vs sumBy

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forEach vs reduce vs map vs filter vs for (slightly optimized for) FORK

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Classnames vs CLSX vs templateLiterals

Compare CLSX vs Classnames vs templateLiterals

indexOf VS object

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Array.prototype.concat.apply vs Array.prototype.concat + spread vs Array.prototype.flat operator

Compare the new ES6 spread operator with the traditional concat() method

EGO indexOf vs regex vs RegExp

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splice vs spread operator for adding elements into very large 2D arrays

Tests the speed of using spread vs splice for adding a row at a specific index in a very large array.

splice vs spread operator

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Array.prototype.splice vs spread operator

Compare the new ES6 spread operator with the traditional splice() method

lookup tests

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className vs. setAttribute vs. classList with replacements

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Javacript Arrays: Find vs FindIndex vs Some

Comparing Arrary prototype methods

lodash map vs. native map

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endswith bad?

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Lodash sort vs array.prototype.sort vs orderBy

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tests-regex-for

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wwwwer3

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reduce vs filter vs for vs forin vs ternary small

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reduce vs filter vs for vs forin vs ternary

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