Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

testing canvas

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Object copy loop compare

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Array.from vs spread 123

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Assign vs Destructuring

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Remove by splice vs copyWithin vs filter vs set.delete

Deletion of an element from an array.

Array concat vs spread operator on NodeList

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

=== undefined vs hasOwnProperty

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test124124124124

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Lodash vs Ramda - equals

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function call vs object reference

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Array.prototype.concat vs spread operator vs underscore flatten

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

Delete vs destructure for objects 2

Measure the performance of delete versus removing a prop from an object

Date.now() vs new Date()

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Private vs public class field access

This benchmark works in latest Chrome. It will not run in Firefox, until Firefox version 90, which should come out soon.

Lodash cloneDeep vs returning new instance of object

var MyObject = { description: 'Creates a deep copy of source, which should be an object or an array.', myNumber: 123456789, myBoolean: true, jayson: { stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....', parse: 'JSON.parse() method parses a JSON string...' } };

AVG ramda vs vanila

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filter vs splice index

See if filter is faster than splice method for deletion

Markdown–DOM Performance Comparison 11

A performance comparison of leading Javascript Markdown implementations.

Markdown–DOM Performance Comparison 10

A performance comparison of leading Javascript Markdown implementations.

Markdown–DOM Performance Comparison 8

A performance comparison of leading Javascript Markdown implementations.

Markdown–DOM Performance Comparison 7

A performance comparison of leading Javascript Markdown implementations.

Markdown Performance Comparison Redux

A performance comparison of leading Javascript Markdown implementations.

Markdown Performance Comparison 1001

A performance comparison of leading Javascript Markdown implementations.

Object literal vs Object.create(null)

compare performance of object creating non-empty objects using object literal vs Object.create

Markdown Performance Comparison 1000

A performance comparison of leading Javascript Markdown implementations.