Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

lodash groupBy vs Array.reduce 100k fair3

lodash groupBy vs Array.reduce 100k fair3 smol

if-else-vs-switch

Compare if-else VS switch performance for small amount of checks

lodash.isEqual vs fast-deep-equal vs local 22221

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JS spread operator vs Object.assign performance

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deep clone - lodash vs ramda vs structuredClone

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Empty div methods

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363 vs 361

JQuery version speed test

String vs Code Compare

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Switch vs Object Literal bbg

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Reduce vs map/join with existing strings on an object

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slice vs new allocation3

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slice vs new allocation2

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slice vs new allocation1

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slice vs new allocation

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Map vs Object performance

Lookup of map vs object

Nesting Variants

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Foobarbazfarbazfoobar

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Concat vs push(...) for large arrays fork seb

Comparing the various ways to append to a large array

Array.prototype.concat vs spread operator fork seb

Compare the new ES6 spread operator with the traditional concat() method

Tes reduce loops

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Array loop vs foreach vs map 100 000

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test push vs spread@@@##

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Date.now() vs Performance.measure() vs Performance.now()

Performance measure can be slow

prepend: spread vs concat vs unshift

spread vs concat vs unshift

RegExp constructor vs literal vs inline literal

Testing performance when using a new RegExp object vs a literal regex