Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

startsWith speed

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set.has vs. Object lookup

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String.prototype.split vs String.prototype.match for word count

Test e.g. counting words by using String.prototype.match versus String.prototype.split with a regular expression.

Array.from vs spread for DOM

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for vs reverse

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Markdown Performance Comparison January 2023

A performance comparison of leading Javascript Markdown implementations.

split vs memoize

Test String.match with regex against String.split with string. We are splitting a string at the spaces.

Concat lodash uniq vs set

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Array add vs .unshift() 2

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Array.prototype.concat vs spread operator (b)

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

Array add vs .unshift()

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Array concat vs spread operator vs push vs prototype.push.apply

Compare the new ES6 spread operator with the traditional concat() method and push

test array testszrogjpzriojpoj

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Set (Lodash vs Lodash/fp vs Immutable) comp. test

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Map (Lodash vs Lodash/fp vs Immutable) new versions

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Map (Lodash vs Lodash/fp vs Immutable)

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Map vs Object (real-world) Performance (string keys)

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~~ vs math.floor test

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Array of strings, indexOf vs includes 2

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Array of strings, indexOf vs includes

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WeakMap vs Symbol Property 900

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Date.parse vs getTime()

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Lodash cloneDeep vs structuredClone vs JSONNNSssnNNa

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

range generator vs array vs for

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range generator vs array

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