Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Test JS endswith implementation

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Array concat vs spread operator vs push vs Splice

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

Map vs Object addx

Lookup of map vs object

String.prototype.concat vs Array.prototype.join

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javascript var vs let vs const

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map object values-u

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arr.slice() vs spread operator

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

Filter a list to remove all duplicate values

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Array.prototype.slice vs spread operator - objects - 30k

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

Array.prototype.slice vs spread operator - objects 22

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

Array.prototype.slice vs spread operator - objects 2

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

Array.prototype.slice vs spread operator - objects

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

Array.prototype.slice vs spread operator 2 2

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

reduce.concat() vs flatMap()

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

LRU vs memoizeWith

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lodash xor alternatives

Searching for faster solution for _.xor(a, _.xor(a,b))

Filter+pop vs simple for

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Object Deep Copy with deep clone 34451232342323

Produce a deep copy of a Javascript object where nested objects are not simply references to the originals.

Object Deep Copy with deep clone 3445123234

Produce a deep copy of a Javascript object where nested objects are not simply references to the originals.

Object Deep Copy with deep clone 3445123

Produce a deep copy of a Javascript object where nested objects are not simply references to the originals.

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getOwnPropertyNames vs loop vs cached property names vs entries

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Optional chaining vs native code

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basic comparison - findIndex vs indexOf

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