Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

String concatenation keys vs Multidimensional array keys - 3D

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String concatenation keys vs Multidimensional array keys2

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JavaScript spread operator vs Object.assign with 3 args performance

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Ramda map latest vs native Array.map

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if else vs runtime polymorphic

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es6 class static vs prototype2

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es6 class static vs prototype

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slice vs subarray vs set 2

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Array vs Object vs Map vs WeakMap access2

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Array.prototype.slice vs spread operator different syntax

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

char index vs charAt() vs slice() vs startsWith()

Compare methods for testing string's beginning character.

name123123

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HTMLCanvasElement and OffscreenCanvas drawImage performance for HTMLImageElement, HTMLCanvasElement, OffscreenCanvas and ImageBitmap

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test22343214234

test2223423432

Number Comparison vs String Comparison addition

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parse vs plus vs number

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foooooooooooooo

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Object.assign vs direct assignment 2

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Splice+Spread vs concat to concat arrays

Comparing performance of: Splice and Spread vs Concat to concatenate arrays

Test using spread or push

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Vanilla vs jQuery vs Zepto vs Umbrella vs Bliss JS Library Speed Test111

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reduce + concat() vs flat()

reduce + Array.prototype.concat vs Array.prototype.flat

Map vs Object (real-world) Performance

Lookup of map vs object (in a real-world test format)

PutImageData vs DrawImage vs GetImageData + PutImageData

copying canvas with PutImageData vs DrawImage Also copying canvas with GetImageData + PutImageData vs DrawImage

PutImageData vs DrawImage Large

copying canvas with PutImageData vs DrawImage