Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Hardcoded Array vs Array.from() vs new Array() vs push

Testing the difference between creating filled arrays.

json stringify vs array tostring - complex structures

Tests performance of Array.toString vs JSON.stringify for complex structures (array of objects as opposed to array of primitive types)

DataView vs Uint8Array by bytes write + read

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TestISOvsConcat2

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TestISOvsConcat

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test xhr vs API fetch

xhr VS API fetch

querySelector VS querySelectorAll VS getElementsByClassName VS getElementsByID

Try to get the order of magnitude of the difference in a simple case.

window.getComputedStyle vs. getBoundingClientRect width

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RegEx.test vs. String.includes vs. String.match __ 1

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set vs array iteration 9999

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set vs array iteration 999

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set vs array iteration 99

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is object with keys

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Object vs Map delete and lookup

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clone test asnai

JSON.stringify vs structuredClone

JSON.stringify vs structuredCloneasasa

JSON.stringify vs structuredClone

replaceAll vs regex replace TEST

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.endsWith vs .includes diff strings

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Bench flat map vs spread reduceqwe

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querySelector vs querySelectorAll vs getElementById

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RegEx.test vs.Split

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lodash uniq vs array to set to array

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parse float

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classList.contains VS dataset

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Test push, Array from

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