Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

JS Filter Test large array (50000 objects)

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style vs. style.cssText - additional styles

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Hello 124

Hello 124

replaceAll vs regex replace for a newLine using html tags larger string

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replaceAll vs regex replace for a newLine using html tags

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replaceAll vs regex replace for a newLine

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Array concat vs spread operator vs push (to end)

Compare the spread operator with the traditional concat() method and push

String each replace - for vs foreach vs reduce

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addEventListener('resize') + innerWidth + debounce VS matchMedia() + matchMedia.addListener()

This benchmark compares using `addEventListener('resize')` with window.innerWidth versus window.matchMedia with it's`addListener()` function to see which is faster.

test reduce vs flatMap

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JUST Object.entries VS Object.keys VS Object.values

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startswith vs includes (exact string)

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Test4123123

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indexOf vs includes search2

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json stringify vs array tostring vs array join 2d array

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Lodash isEqual vs native JS === for strings

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Array.includes vs Dictionary lookup no console

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Filter with .filter(), for loop, for in, reduce

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Does the size of the object being assigned affect performance? - updating case (fix)

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Does the size of the object being assigned affect performance? - updating case

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Does the size of the object being assigned affect performance?

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access object vs array

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JavaScript V8 Array.push vs spread operator

Which is faster

For in vs Reduce

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Array.from() vs Spread operator

Array.from() vs Array.prototype.slice() vs Spread operator for duplicating an array.