Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Concat vs push(...) for large arrays 223123

Comparing the various ways to append to a large array

new paren

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starts with vs regex

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propert access

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json import vs fetchhbyu

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Performance of JavaScript .loops

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javascript loops v2

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es-toolkit isEqual vs JSON stringify

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React 18 useCallback hook vs. function

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lodash isEqual vs JSON.stringify

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set.has vs. array.includes (tiny)

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RegEx.test vs. String.includes vs. String.match late match

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JavaScript spread operator vs Object.assign vs direct member access performance

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test early return

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json import vs fetch

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Array.prototype.filter vs Lodash filter for 10,000

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for() vs foreach()

for() vs foreach()

set.has vs. array.includes vs object lookup (larger array)

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Get object from map in Map, Object and map in WeakMap

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clearing canvas v2

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clearing canvas

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Performance of JavaScript .forEach, .map and .reduce vs for and for..of 2232132

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Set vs Filter for unique - not going back to Array

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slice vs splice for react setstate

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Joining strings 4

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