Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

String indexing vs array indexing for string concatenation

Performance of different methods of buffer/array indexing to use characters in joined string.

String split + join or charAt + concat

Performance differences of using inbuilt string and array methods for splitting and joining char array. Or using loops to extract chars and string concatenation for joining.

Native JS: Array.join strings vs template literals vs String.concat vs string sum

find the best solution for concatenate strings

switch vs if js numbers

switch vs if

if-else vs switch2

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arrowfn vs expressionfn unnamedexpressionfn declarationfn

const arrowfn = (a, b) => a + b; const expressionfn = function add(a, b) { return a + b; }; const unnamedexpressionfn = function(a, b) { return a + b; }; function declarationfn(a, b) { return a + b; }

New set vs set clear2

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JavaScript with

Compare With to inline array mutation

lodash isEmpty vs native Object.keys

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Check JSON.stringify with different object's complexity

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Comparing various JavaScript sorting methods (large workload #3)

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Comparing various JavaScript sorting methods (large workload #2)

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Comparing various JavaScript sorting methods (large workload)

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Comparing various JavaScript sorting methods

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Python range(a, b, n) in JavaScript

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JS multiple function arguments vs. single arguments object (without var) 2

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JS multiple function arguments vs. single arguments object (without var)

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Multiple function parameters vs parameter object

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luxon vs dayjs vs date-fns vs ff native temporal vs moment (formatting)

Create and format dates from a timestamp

String() vs .toString() vs String Literal vs String concat

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rgb vs rgba vs hex with opacity canvas

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Sort vs ToSorted test

test

Read: Symbol vs String property square bracket vs plain property

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Symbol vs String property square bracket vs plain property

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string reverse benchmark

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