Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Object entry counting: Object.entries VS Object.keys VS Object.values

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for loop vs. lodash v4.17.21 range foreach

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Javascript: Case insensitive string comparison performance 3

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Object.fromEntries vs reduce vs Map (fixed Object.fromEntries)

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Merge objects with spread vs foreach & new

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spread vs forEach push v3

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forEach vs for ... of

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JSON.stringify VS JSON.parse

compares the performance of json parse vs json stringify

Object mapping

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Chunk - lodash vs javascript vs for loop vs reduce

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structuredClone perf

just benchmarking things

for of / forEach.

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`array.slice(-1)[0]` vs `array[array.length - 1]`

Ways to get the last item in an array

array.splice vs for loop for arrays

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ES6 Class vs Prototype vs Object Literal vs Object & Functions

Test the speed and memory usage using 4 different techniques for constructing class objects.

Javascript: Case insensitive string comparison performance with indexOf 2

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lodash.isEqual vs dequal 2

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new Url vs host RegEx

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Arr Reduce vs push/map

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string[index.length -1] vs slice(-1)

Compares direct index with index.length -1 vs slice

filter vs if

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Math.floor Vs parseInt (random and fixed)

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Deep clone object vs map

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Markdown Performance Comparison 2023-06-23 (2)

A performance comparison of leading Javascript Markdown implementations.

typeof vs typeof isNaN

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