Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

concat() vs spread (...) for combining two arrays

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arrays: concat vs spread

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

lodash partition + concat vs two filter loops

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Array push vs concat vs push + flat to merge to arrays

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Regex starts with A or B vs startsWith

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array length vs some for any

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

access arr element and multiply it in loops: for vs forEach vs for..in

Compare loop performance

structuredClone(JSON.stringify) vs structuredClone 2

JSON.stringify vs structuredClone

structuredClone(JSON.stringify) vs structuredClone

JSON.stringify vs structuredClone

Split vs Regex vs Contains V2

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Try-catch when calling a function

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Loop through object keys

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Test lodash difference and xor

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js boolean double negative isSet

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Test lodash difference

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adadad

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jQuery Each vs For long array

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clear object from undefined

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Reflect.get vs direct access

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for-in-hasOwnProperty vs for of object.keys

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matches vs. closest vs. classList vs. querySelector

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style.setProperty vs style.removeProperty vs style.cssPropertyName

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Array.find vs. Map.get small vs Object

Test the performance of Array.find vs. Map.get, with various array sizes, and with/without conversion from array to map

Array.find vs. Map.get small

Test the performance of Array.find vs. Map.get, with various array sizes, and with/without conversion from array to map

String split using regex vs string v4

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