Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Testttttt

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class vs class begin

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angular.copy vs JSON.parse(JSON.stringify())

FIguring out the performance differences between using the operations in the name on copying an array of objects considering the fact that other methods of copying (slice, concat, etc.) are shallow copies and end up being by reference instead of by value.

Canvas gradient perf

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Fibonacci vs Memo

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Fibonacci vs Memo

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getElementById, querySelector, window

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In place array concatenation benchmark.

Test performance between spread operator and push.apply

Map and Filter vs forEach

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indexOf vs foreEach

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Compare toggling attribute spaced values

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Compare toggling attribute spaced values

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substr vs repeat

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substr vs repeat

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tewgwggweg

gwegwgw

Lodash vs Ramda

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Ramda vs. Lodash

Compares performance on the same task using Lodash vs two styles of Ramda vs two styles of "native" Javascript. In all cases the task is pulling "counter" property from each item in an array, filtering out odd items, squaring them, then returning those squared values that have less than two digits.

spread vs concat

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Toggle Classses

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querySelectorAll vs query vs qs

100 Li elements using querySelectorAll and custom query function got from http://ryanmorr.com/abstract-away-the-performance-faults-of-queryselectorall/ and qs from https://codereview.stackexchange.com/questions/25452/very-fast-query-selector

querySelectorAll vs query

100 Li elements using querySelectorAll and custom query function got from http://ryanmorr.com/abstract-away-the-performance-faults-of-queryselectorall/

querySelectorAll vs query

100 Li elements using querySelectorAll and custom query function got from http://ryanmorr.com/abstract-away-the-performance-faults-of-queryselectorall/

simpleStringify vs JSON.stringify

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prefix check

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Array loop vs foreach vs map

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