Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Javascript unshift

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Javascript Push vs Spread

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JavaScript spread operator vs Object.assign performance vs assign

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Casting Number to String

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reduce with slice

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jsperfwasmuchmorecomfortable

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String concatenation vs array join (with single push before)

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babel optional chaining vs lodash get

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Direct Array Access vs. New Local Constant Variable in A Loop v.2

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Direct Array Access vs. New Local Constant Variable in A Loop

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constructor test

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date formatter libraries test

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executable indexOf vs findIndex

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Getter / Setter vs Proxy

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Object spread, object assign

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indexOf vs while vs for emoji

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KeithTest

KeithTest

insertAdjacentHtml vs innerHTML

insertAdjacentHtml vs innerHTML

createElement vs insertAdjacentHTML but actually works V2

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for-in vs for-of+object.keys

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for-in vs object.keys for-of

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cloneNode vs DocumentFragment

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template innerHTML vs DocumentFragment createElement

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Symbol vs Number comparison

Is comparing symbols slower than comparing numbers?

Caching length property vs getting it each time in the loop 10k

save length of the array in the variable vs get it the loop