Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

JSON clone

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JS: Zip Element.children indexing vs existing array copy

Is the speed increase of random array access versus Element.children[i] significant enough to justify the extra memory?

clone json Dan 6

Different methods for deep clones

Date.now vs setTimeout

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test lodash trim and js replace

test lodash trim and js replace

clone json 2

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clone json

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java test

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Which is faster Array.prototype.slice vs spread operator

Compare the new ES6 spread operator with the traditional slice() method

Intl.NumberFormat vs toLocalString vs reuse Intl.NumberFormat

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TreeWalker vs querySelectorAll vs NodeIterator + filter HTMLElement

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Lodash.isEqual vs JSON.stringify Equality Comparison for Array With Strings And Objects

Test on isEqual performance

Dompurify vs sanitize-html vs js-xss

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find vs findIndex (Array prototype methods) 2

Measuring which is faster

Delete vs set undefined Properties

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string vs array

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Flatten Array of Arrays

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Find diff two array

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getElementById vs getElementsByClassName V2

Test performance of different ways of get just one particular DOM element

Nested vs Cascade

test

mat4 array caching

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new fetch vs ajax call

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hasOwnProperty vs Object.entries

Testing performance of a loop with hasOwnProperty vs a loop with Object.entries

nbdfdf

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bulk Append vs AppendChild

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