Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Access from Object.seal vs Object.freeze vs normal

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JSON Querying Comparisons

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Object.prototype.toString.call vs typeof (only isObject)

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lodash join vs native join

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offsetwidth/getBoundingClientRect

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offsetwidth vs getBoundingClientRect

Comparing performance of: offsetwidth vs getBoundingClientRect

Implicit vs parseInt vs Number string to num

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JavaScript Object.assign() vs object spread operator

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reduce vs sort for sorting arrays of objects

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Json vs Url Params parsing.

Compares the performance of parsing data send in the body as json vs data send in the url as params.

Number.toLocaleString vs Intl.NumberFormat 2

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Object destructuring performance

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Awaiting sync vs async 2

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DOM: Best practices for creating, then adding elements

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JavaScript: clamp() variants

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arrays comparision

arrays comparision

Double bang vs Boolean

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JavaScript Array concat vs spread vs push

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slice VS splice VS shift: who is the fastest to keep constant size 100

100k list splice and shift win, they mutate list slice loose, it creates a copy of list 7.5x slower

For in vs Object.*.forEach vs Object.values vs for of Object.entries

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test Javascript string.endsWith vs string.slice and tripple equal

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uniqBy performance lodash vs native

lodash vs javascript

RegEx vs For Loop (Optimized)

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setAttribute vs. dataset vs. direct

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string[index] vs charAt(index) vs charCodeAt(index)

Compare same algorithm using javascript String[index] vs String.charAt(index) vs String.charCodeAt(index)

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