Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Regex whitespace check vs trim length

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flatmap vs some

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+new Date() vs Date.now()

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JSON parse vs response.json

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toFixed vs toPrecision vs Math.round() 2

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Try js bench Rplace vs ReplaceAll

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slice and substring

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parseInt vs toString vs string literal vs + empty string vs String constructor

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querySelectorAll custom attribute vs class name

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Put one element into first place

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Regex checking whitespace vs trim for isEmptyOrOnlyWhitespace

Testing if IsOnlyWhitespace is faster with Regex or with trim

two dimensional array row-major vs. column-major order

Evaluating array reference performance: row-major vs. column-major order

React hook bind vs direct call

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Bind vs direct call

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JS Map + filter vs ForEach

Benchmark to test map + filter vs Foreach if

findIndex + toSpliced vs map

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array access vs object access

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Sparse Array Vs. Object, Map, Set, Number Indexes vs alpha indexes

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Sparse Array Vs. Object, Map, Set, Number Indexes 2

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For comparison

Compared for loops

Remove accents test

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arr vs obj

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clientWidth / clientHeight vs. getBoundingClientRect() vs. getComputedStyle

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apply vs spread

Comparing the various ways to append to a large array

testdfghdrfh

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