Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

map and find may vs array find may

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JS Deep Comparison Performance

JSON.stringify vs lodash's isEqual

classnames - clsx - classcat

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map vs. map arrow vs for vs. for in vs. forEach

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replaceWith vs replaceChild without iframe

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resize event listener vs resizeObserver

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actual set.has vs. Object lookup vs. key in Object

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querySelectorAll data attribute vs class name need

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lodash vs filter

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sanitize-html

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no loop, switch case vs bounce pattern vs ternary

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Side effect: for i vs for of vs foreach fix

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Object clone perfromace

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Implicit vs parseFloat vs Number string to num

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.includes() vs .test() vs .match() vs .indexOf() vs .search() fix

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switch case vs jump table vs bounce pattern vs ternary

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Array Initialization: for, for push, fill map

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flat vs flatMap vs reduce vs reduce push vs forEach push vs concat spread

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const vs let vs var vs sloppy

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fillRect vs rect

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.includes() vs .test() vs .match() vs .indexOf() vs .search()

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Array .indexOf vs .some vs .includes

performance comparison of ways to find if an array contains a value

string-interpolation-vs-to-string

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Move an array element

Move an array element

querySelector vs getElementsByClassName with multiple elements

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