Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

clone array performance test

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Math.random vs i++

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Math.random vs performance.now

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Math.random vs crypto.getRandomValues (2)

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Math.random vs Date.now

Which is best for generating a unique key?

Array.find VS for loop

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Compare performance of search in list and object v2

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insertAdjacentHTML vs append cloneNode

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Compare performance of for..of and forEach with filter, v3

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getElementsByClassName vs querySelector, performance

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JSON.parse vs string.split.map(Number)

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JavaScript spread operator vs Object.assign performance (single addition)

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JavaScript spread operator vs Object.assign performance23454234

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JSON.parse vs string.indexOf

When discriminating a JSON string to determine action, which is faster?

JavaScript spread operator vs Object.assign performance (rkfork)

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concat vs spread 2

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_.filter with large arrays of objects

Testing whether filter an array of large objects is faster is we "index" the objects vs just having an array of large objects.

_.filter with large objects 2

Testing whether filter an array of large objects is faster is we "index" the objects vs just having an array of large objects.

schema vs manual f

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schema vs manual

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undefined vs. typeof vs. in vs. hasOwnProperty not

Object lookup performance

test test 1 23459009872

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JavaScript spread operator vs Object.assign to object performance

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Reducer push vs reducer spread

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Array vs Object vs Map vs WeakMap access3

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